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va_args.h

va_args.h 59 KB
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  1. #pragma once
    2. 

  2. 

  3. /// @file va_args.h
    4. 

  4. ///
    5. 

  5. /// Some handy macros for preprocessor metaprogramming.
    6. 

  6. 

  7. // NOTE: this file has been generated with "./va_args_gen.py", do not edit -- use the generator instead
    8. 

  8. 

  9. // DO_NOT_STYLE
    10. 

  10. 

  11. #include <util/system/defaults.h>
    12. 

  12. 

  13. /**
    14. 

  14.  * Triggers another level of macro expansion, use whenever passing __VA_ARGS__ to another macro.
    15. 

  15.  *
    16. 

  16.  * Used merely for working around an MSVC++ bug.
    17. 

  17.  * See http://stackoverflow.com/questions/5134523/msvc-doesnt-expand-va-args-correctly
    18. 

  18.  */
    19. 

  19. #define Y_PASS_VA_ARGS(x) x
    20. 

  20. 

  21. /**
    22. 

  22.  * Count number of arguments in `__VA_ARGS__`.
    23. 

  23.  * Doesn't work with empty arguments list.
    24. 

  24.  */
    25. 

  25. #define Y_COUNT_ARGS(...) Y_PASS_VA_ARGS(__Y_COUNT_ARGS(__VA_ARGS__, 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0))
    26. 

  26. #define __Y_COUNT_ARGS(_50, _49, _48, _47, _46, _45, _44, _43, _42, _41, _40, _39, _38, _37, _36, _35, _34, _33, _32, _31, _30, _29, _28, _27, _26, _25, _24, _23, _22, _21, _20, _19, _18, _17, _16, _15, _14, _13, _12, _11, _10, _9, _8, _7, _6, _5, _4, _3, _2, _1, N, ...) N
    27. 

  27. 

  28. /**
    29. 

  29.  * Get the i-th element from `__VA_ARGS__`.
    30. 

  30.  */
    31. 

  31. #define Y_GET_ARG(N, ...) Y_PASS_VA_ARGS(Y_PASS_VA_ARGS(Y_CAT(__Y_GET_ARG_, N))(__VA_ARGS__))
    32. 

  32. #define __Y_GET_ARG_0(_0, ...) _0
    33. 

  33. #define __Y_GET_ARG_1(_0, _1, ...) _1
    34. 

  34. #define __Y_GET_ARG_2(_0, _1, _2, ...) _2
    35. 

  35. #define __Y_GET_ARG_3(_0, _1, _2, _3, ...) _3
    36. 

  36. #define __Y_GET_ARG_4(_0, _1, _2, _3, _4, ...) _4
    37. 

  37. #define __Y_GET_ARG_5(_0, _1, _2, _3, _4, _5, ...) _5
    38. 

  38. #define __Y_GET_ARG_6(_0, _1, _2, _3, _4, _5, _6, ...) _6
    39. 

  39. #define __Y_GET_ARG_7(_0, _1, _2, _3, _4, _5, _6, _7, ...) _7
    40. 

  40. #define __Y_GET_ARG_8(_0, _1, _2, _3, _4, _5, _6, _7, _8, ...) _8
    41. 

  41. #define __Y_GET_ARG_9(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, ...) _9
    42. 

  42. #define __Y_GET_ARG_10(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, ...) _10
    43. 

  43. #define __Y_GET_ARG_11(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, ...) _11
    44. 

  44. #define __Y_GET_ARG_12(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, ...) _12
    45. 

  45. #define __Y_GET_ARG_13(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, ...) _13
    46. 

  46. #define __Y_GET_ARG_14(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, ...) _14
    47. 

  47. #define __Y_GET_ARG_15(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, ...) _15
    48. 

  48. #define __Y_GET_ARG_16(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, ...) _16
    49. 

  49. #define __Y_GET_ARG_17(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, ...) _17
    50. 

  50. #define __Y_GET_ARG_18(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, ...) _18
    51. 

  51. #define __Y_GET_ARG_19(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, ...) _19
    52. 

  52. #define __Y_GET_ARG_20(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, ...) _20
    53. 

  53. #define __Y_GET_ARG_21(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, ...) _21
    54. 

  54. #define __Y_GET_ARG_22(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, ...) _22
    55. 

  55. #define __Y_GET_ARG_23(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, ...) _23
    56. 

  56. #define __Y_GET_ARG_24(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, ...) _24
    57. 

  57. #define __Y_GET_ARG_25(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, ...) _25
    58. 

  58. #define __Y_GET_ARG_26(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, ...) _26
    59. 

  59. #define __Y_GET_ARG_27(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, ...) _27
    60. 

  60. #define __Y_GET_ARG_28(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, ...) _28
    61. 

  61. #define __Y_GET_ARG_29(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, ...) _29
    62. 

  62. #define __Y_GET_ARG_30(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, ...) _30
    63. 

  63. #define __Y_GET_ARG_31(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, ...) _31
    64. 

  64. #define __Y_GET_ARG_32(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, ...) _32
    65. 

  65. #define __Y_GET_ARG_33(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, ...) _33
    66. 

  66. #define __Y_GET_ARG_34(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, ...) _34
    67. 

  67. #define __Y_GET_ARG_35(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, ...) _35
    68. 

  68. #define __Y_GET_ARG_36(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, ...) _36
    69. 

  69. #define __Y_GET_ARG_37(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, ...) _37
    70. 

  70. #define __Y_GET_ARG_38(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, ...) _38
    71. 

  71. #define __Y_GET_ARG_39(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, ...) _39
    72. 

  72. #define __Y_GET_ARG_40(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, ...) _40
    73. 

  73. #define __Y_GET_ARG_41(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, ...) _41
    74. 

  74. #define __Y_GET_ARG_42(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, ...) _42
    75. 

  75. #define __Y_GET_ARG_43(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, ...) _43
    76. 

  76. #define __Y_GET_ARG_44(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, ...) _44
    77. 

  77. #define __Y_GET_ARG_45(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, ...) _45
    78. 

  78. #define __Y_GET_ARG_46(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, ...) _46
    79. 

  79. #define __Y_GET_ARG_47(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, ...) _47
    80. 

  80. #define __Y_GET_ARG_48(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, ...) _48
    81. 

  81. #define __Y_GET_ARG_49(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, ...) _49
    82. 

  82. #define __Y_GET_ARG_50(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, ...) _50
    83. 

  83. 

  84. /**
    85. 

  85.  * Expands a macro for each of the variable arguments.
    86. 

  86.  * Doesn't work with empty arguments list.
    87. 

  87.  */
    88. 

  88. #define Y_MAP_ARGS(ACTION, ...) Y_PASS_VA_ARGS(Y_PASS_VA_ARGS(Y_CAT(__Y_MAP_ARGS_, Y_COUNT_ARGS(__VA_ARGS__)))(ACTION, __VA_ARGS__))
    89. 

  89. #define __Y_MAP_ARGS_0(...)
    90. 

  90. #define __Y_MAP_ARGS_1(ACTION, x, ...) ACTION(x)
    91. 

  91. #define __Y_MAP_ARGS_2(ACTION, x, ...) \
    92. 

  92.     ACTION(x)                          \
    93. 

  93.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_1(ACTION, __VA_ARGS__))
    94. 

  94. #define __Y_MAP_ARGS_3(ACTION, x, ...) \
    95. 

  95.     ACTION(x)                          \
    96. 

  96.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_2(ACTION, __VA_ARGS__))
    97. 

  97. #define __Y_MAP_ARGS_4(ACTION, x, ...) \
    98. 

  98.     ACTION(x)                          \
    99. 

  99.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_3(ACTION, __VA_ARGS__))
    100. 

  100. #define __Y_MAP_ARGS_5(ACTION, x, ...) \
    101. 

  101.     ACTION(x)                          \
    102. 

  102.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_4(ACTION, __VA_ARGS__))
    103. 

  103. #define __Y_MAP_ARGS_6(ACTION, x, ...) \
    104. 

  104.     ACTION(x)                          \
    105. 

  105.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_5(ACTION, __VA_ARGS__))
    106. 

  106. #define __Y_MAP_ARGS_7(ACTION, x, ...) \
    107. 

  107.     ACTION(x)                          \
    108. 

  108.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_6(ACTION, __VA_ARGS__))
    109. 

  109. #define __Y_MAP_ARGS_8(ACTION, x, ...) \
    110. 

  110.     ACTION(x)                          \
    111. 

  111.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_7(ACTION, __VA_ARGS__))
    112. 

  112. #define __Y_MAP_ARGS_9(ACTION, x, ...) \
    113. 

  113.     ACTION(x)                          \
    114. 

  114.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_8(ACTION, __VA_ARGS__))
    115. 

  115. #define __Y_MAP_ARGS_10(ACTION, x, ...) \
    116. 

  116.     ACTION(x)                           \
    117. 

  117.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_9(ACTION, __VA_ARGS__))
    118. 

  118. #define __Y_MAP_ARGS_11(ACTION, x, ...) \
    119. 

  119.     ACTION(x)                           \
    120. 

  120.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_10(ACTION, __VA_ARGS__))
    121. 

  121. #define __Y_MAP_ARGS_12(ACTION, x, ...) \
    122. 

  122.     ACTION(x)                           \
    123. 

  123.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_11(ACTION, __VA_ARGS__))
    124. 

  124. #define __Y_MAP_ARGS_13(ACTION, x, ...) \
    125. 

  125.     ACTION(x)                           \
    126. 

  126.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_12(ACTION, __VA_ARGS__))
    127. 

  127. #define __Y_MAP_ARGS_14(ACTION, x, ...) \
    128. 

  128.     ACTION(x)                           \
    129. 

  129.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_13(ACTION, __VA_ARGS__))
    130. 

  130. #define __Y_MAP_ARGS_15(ACTION, x, ...) \
    131. 

  131.     ACTION(x)                           \
    132. 

  132.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_14(ACTION, __VA_ARGS__))
    133. 

  133. #define __Y_MAP_ARGS_16(ACTION, x, ...) \
    134. 

  134.     ACTION(x)                           \
    135. 

  135.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_15(ACTION, __VA_ARGS__))
    136. 

  136. #define __Y_MAP_ARGS_17(ACTION, x, ...) \
    137. 

  137.     ACTION(x)                           \
    138. 

  138.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_16(ACTION, __VA_ARGS__))
    139. 

  139. #define __Y_MAP_ARGS_18(ACTION, x, ...) \
    140. 

  140.     ACTION(x)                           \
    141. 

  141.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_17(ACTION, __VA_ARGS__))
    142. 

  142. #define __Y_MAP_ARGS_19(ACTION, x, ...) \
    143. 

  143.     ACTION(x)                           \
    144. 

  144.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_18(ACTION, __VA_ARGS__))
    145. 

  145. #define __Y_MAP_ARGS_20(ACTION, x, ...) \
    146. 

  146.     ACTION(x)                           \
    147. 

  147.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_19(ACTION, __VA_ARGS__))
    148. 

  148. #define __Y_MAP_ARGS_21(ACTION, x, ...) \
    149. 

  149.     ACTION(x)                           \
    150. 

  150.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_20(ACTION, __VA_ARGS__))
    151. 

  151. #define __Y_MAP_ARGS_22(ACTION, x, ...) \
    152. 

  152.     ACTION(x)                           \
    153. 

  153.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_21(ACTION, __VA_ARGS__))
    154. 

  154. #define __Y_MAP_ARGS_23(ACTION, x, ...) \
    155. 

  155.     ACTION(x)                           \
    156. 

  156.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_22(ACTION, __VA_ARGS__))
    157. 

  157. #define __Y_MAP_ARGS_24(ACTION, x, ...) \
    158. 

  158.     ACTION(x)                           \
    159. 

  159.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_23(ACTION, __VA_ARGS__))
    160. 

  160. #define __Y_MAP_ARGS_25(ACTION, x, ...) \
    161. 

  161.     ACTION(x)                           \
    162. 

  162.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_24(ACTION, __VA_ARGS__))
    163. 

  163. #define __Y_MAP_ARGS_26(ACTION, x, ...) \
    164. 

  164.     ACTION(x)                           \
    165. 

  165.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_25(ACTION, __VA_ARGS__))
    166. 

  166. #define __Y_MAP_ARGS_27(ACTION, x, ...) \
    167. 

  167.     ACTION(x)                           \
    168. 

  168.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_26(ACTION, __VA_ARGS__))
    169. 

  169. #define __Y_MAP_ARGS_28(ACTION, x, ...) \
    170. 

  170.     ACTION(x)                           \
    171. 

  171.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_27(ACTION, __VA_ARGS__))
    172. 

  172. #define __Y_MAP_ARGS_29(ACTION, x, ...) \
    173. 

  173.     ACTION(x)                           \
    174. 

  174.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_28(ACTION, __VA_ARGS__))
    175. 

  175. #define __Y_MAP_ARGS_30(ACTION, x, ...) \
    176. 

  176.     ACTION(x)                           \
    177. 

  177.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_29(ACTION, __VA_ARGS__))
    178. 

  178. #define __Y_MAP_ARGS_31(ACTION, x, ...) \
    179. 

  179.     ACTION(x)                           \
    180. 

  180.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_30(ACTION, __VA_ARGS__))
    181. 

  181. #define __Y_MAP_ARGS_32(ACTION, x, ...) \
    182. 

  182.     ACTION(x)                           \
    183. 

  183.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_31(ACTION, __VA_ARGS__))
    184. 

  184. #define __Y_MAP_ARGS_33(ACTION, x, ...) \
    185. 

  185.     ACTION(x)                           \
    186. 

  186.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_32(ACTION, __VA_ARGS__))
    187. 

  187. #define __Y_MAP_ARGS_34(ACTION, x, ...) \
    188. 

  188.     ACTION(x)                           \
    189. 

  189.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_33(ACTION, __VA_ARGS__))
    190. 

  190. #define __Y_MAP_ARGS_35(ACTION, x, ...) \
    191. 

  191.     ACTION(x)                           \
    192. 

  192.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_34(ACTION, __VA_ARGS__))
    193. 

  193. #define __Y_MAP_ARGS_36(ACTION, x, ...) \
    194. 

  194.     ACTION(x)                           \
    195. 

  195.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_35(ACTION, __VA_ARGS__))
    196. 

  196. #define __Y_MAP_ARGS_37(ACTION, x, ...) \
    197. 

  197.     ACTION(x)                           \
    198. 

  198.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_36(ACTION, __VA_ARGS__))
    199. 

  199. #define __Y_MAP_ARGS_38(ACTION, x, ...) \
    200. 

  200.     ACTION(x)                           \
    201. 

  201.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_37(ACTION, __VA_ARGS__))
    202. 

  202. #define __Y_MAP_ARGS_39(ACTION, x, ...) \
    203. 

  203.     ACTION(x)                           \
    204. 

  204.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_38(ACTION, __VA_ARGS__))
    205. 

  205. #define __Y_MAP_ARGS_40(ACTION, x, ...) \
    206. 

  206.     ACTION(x)                           \
    207. 

  207.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_39(ACTION, __VA_ARGS__))
    208. 

  208. #define __Y_MAP_ARGS_41(ACTION, x, ...) \
    209. 

  209.     ACTION(x)                           \
    210. 

  210.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_40(ACTION, __VA_ARGS__))
    211. 

  211. #define __Y_MAP_ARGS_42(ACTION, x, ...) \
    212. 

  212.     ACTION(x)                           \
    213. 

  213.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_41(ACTION, __VA_ARGS__))
    214. 

  214. #define __Y_MAP_ARGS_43(ACTION, x, ...) \
    215. 

  215.     ACTION(x)                           \
    216. 

  216.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_42(ACTION, __VA_ARGS__))
    217. 

  217. #define __Y_MAP_ARGS_44(ACTION, x, ...) \
    218. 

  218.     ACTION(x)                           \
    219. 

  219.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_43(ACTION, __VA_ARGS__))
    220. 

  220. #define __Y_MAP_ARGS_45(ACTION, x, ...) \
    221. 

  221.     ACTION(x)                           \
    222. 

  222.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_44(ACTION, __VA_ARGS__))
    223. 

  223. #define __Y_MAP_ARGS_46(ACTION, x, ...) \
    224. 

  224.     ACTION(x)                           \
    225. 

  225.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_45(ACTION, __VA_ARGS__))
    226. 

  226. #define __Y_MAP_ARGS_47(ACTION, x, ...) \
    227. 

  227.     ACTION(x)                           \
    228. 

  228.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_46(ACTION, __VA_ARGS__))
    229. 

  229. #define __Y_MAP_ARGS_48(ACTION, x, ...) \
    230. 

  230.     ACTION(x)                           \
    231. 

  231.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_47(ACTION, __VA_ARGS__))
    232. 

  232. #define __Y_MAP_ARGS_49(ACTION, x, ...) \
    233. 

  233.     ACTION(x)                           \
    234. 

  234.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_48(ACTION, __VA_ARGS__))
    235. 

  235. #define __Y_MAP_ARGS_50(ACTION, x, ...) \
    236. 

  236.     ACTION(x)                           \
    237. 

  237.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_49(ACTION, __VA_ARGS__))
    238. 

  238. 

  239. /**
    240. 

  240.  * Expands a macro for each of the variable arguments with it's sequence number and value.
    241. 

  241.  * Corresponding sequence numbers will expand in descending order.
    242. 

  242.  * Doesn't work with empty arguments list.
    243. 

  243.  */
    244. 

  244. #define Y_MAP_ARGS_N(ACTION, ...) Y_PASS_VA_ARGS(Y_PASS_VA_ARGS(Y_CAT(__Y_MAP_ARGS_N_, Y_COUNT_ARGS(__VA_ARGS__)))(ACTION, __VA_ARGS__))
    245. 

  245. #define __Y_MAP_ARGS_N_0(...)
    246. 

  246. #define __Y_MAP_ARGS_N_1(ACTION, x, ...) ACTION(1, x)
    247. 

  247. #define __Y_MAP_ARGS_N_2(ACTION, x, ...) \
    248. 

  248.     ACTION(2, x)                         \
    249. 

  249.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_1(ACTION, __VA_ARGS__))
    250. 

  250. #define __Y_MAP_ARGS_N_3(ACTION, x, ...) \
    251. 

  251.     ACTION(3, x)                         \
    252. 

  252.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_2(ACTION, __VA_ARGS__))
    253. 

  253. #define __Y_MAP_ARGS_N_4(ACTION, x, ...) \
    254. 

  254.     ACTION(4, x)                         \
    255. 

  255.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_3(ACTION, __VA_ARGS__))
    256. 

  256. #define __Y_MAP_ARGS_N_5(ACTION, x, ...) \
    257. 

  257.     ACTION(5, x)                         \
    258. 

  258.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_4(ACTION, __VA_ARGS__))
    259. 

  259. #define __Y_MAP_ARGS_N_6(ACTION, x, ...) \
    260. 

  260.     ACTION(6, x)                         \
    261. 

  261.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_5(ACTION, __VA_ARGS__))
    262. 

  262. #define __Y_MAP_ARGS_N_7(ACTION, x, ...) \
    263. 

  263.     ACTION(7, x)                         \
    264. 

  264.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_6(ACTION, __VA_ARGS__))
    265. 

  265. #define __Y_MAP_ARGS_N_8(ACTION, x, ...) \
    266. 

  266.     ACTION(8, x)                         \
    267. 

  267.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_7(ACTION, __VA_ARGS__))
    268. 

  268. #define __Y_MAP_ARGS_N_9(ACTION, x, ...) \
    269. 

  269.     ACTION(9, x)                         \
    270. 

  270.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_8(ACTION, __VA_ARGS__))
    271. 

  271. #define __Y_MAP_ARGS_N_10(ACTION, x, ...) \
    272. 

  272.     ACTION(10, x)                         \
    273. 

  273.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_9(ACTION, __VA_ARGS__))
    274. 

  274. #define __Y_MAP_ARGS_N_11(ACTION, x, ...) \
    275. 

  275.     ACTION(11, x)                         \
    276. 

  276.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_10(ACTION, __VA_ARGS__))
    277. 

  277. #define __Y_MAP_ARGS_N_12(ACTION, x, ...) \
    278. 

  278.     ACTION(12, x)                         \
    279. 

  279.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_11(ACTION, __VA_ARGS__))
    280. 

  280. #define __Y_MAP_ARGS_N_13(ACTION, x, ...) \
    281. 

  281.     ACTION(13, x)                         \
    282. 

  282.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_12(ACTION, __VA_ARGS__))
    283. 

  283. #define __Y_MAP_ARGS_N_14(ACTION, x, ...) \
    284. 

  284.     ACTION(14, x)                         \
    285. 

  285.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_13(ACTION, __VA_ARGS__))
    286. 

  286. #define __Y_MAP_ARGS_N_15(ACTION, x, ...) \
    287. 

  287.     ACTION(15, x)                         \
    288. 

  288.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_14(ACTION, __VA_ARGS__))
    289. 

  289. #define __Y_MAP_ARGS_N_16(ACTION, x, ...) \
    290. 

  290.     ACTION(16, x)                         \
    291. 

  291.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_15(ACTION, __VA_ARGS__))
    292. 

  292. #define __Y_MAP_ARGS_N_17(ACTION, x, ...) \
    293. 

  293.     ACTION(17, x)                         \
    294. 

  294.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_16(ACTION, __VA_ARGS__))
    295. 

  295. #define __Y_MAP_ARGS_N_18(ACTION, x, ...) \
    296. 

  296.     ACTION(18, x)                         \
    297. 

  297.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_17(ACTION, __VA_ARGS__))
    298. 

  298. #define __Y_MAP_ARGS_N_19(ACTION, x, ...) \
    299. 

  299.     ACTION(19, x)                         \
    300. 

  300.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_18(ACTION, __VA_ARGS__))
    301. 

  301. #define __Y_MAP_ARGS_N_20(ACTION, x, ...) \
    302. 

  302.     ACTION(20, x)                         \
    303. 

  303.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_19(ACTION, __VA_ARGS__))
    304. 

  304. #define __Y_MAP_ARGS_N_21(ACTION, x, ...) \
    305. 

  305.     ACTION(21, x)                         \
    306. 

  306.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_20(ACTION, __VA_ARGS__))
    307. 

  307. #define __Y_MAP_ARGS_N_22(ACTION, x, ...) \
    308. 

  308.     ACTION(22, x)                         \
    309. 

  309.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_21(ACTION, __VA_ARGS__))
    310. 

  310. #define __Y_MAP_ARGS_N_23(ACTION, x, ...) \
    311. 

  311.     ACTION(23, x)                         \
    312. 

  312.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_22(ACTION, __VA_ARGS__))
    313. 

  313. #define __Y_MAP_ARGS_N_24(ACTION, x, ...) \
    314. 

  314.     ACTION(24, x)                         \
    315. 

  315.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_23(ACTION, __VA_ARGS__))
    316. 

  316. #define __Y_MAP_ARGS_N_25(ACTION, x, ...) \
    317. 

  317.     ACTION(25, x)                         \
    318. 

  318.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_24(ACTION, __VA_ARGS__))
    319. 

  319. #define __Y_MAP_ARGS_N_26(ACTION, x, ...) \
    320. 

  320.     ACTION(26, x)                         \
    321. 

  321.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_25(ACTION, __VA_ARGS__))
    322. 

  322. #define __Y_MAP_ARGS_N_27(ACTION, x, ...) \
    323. 

  323.     ACTION(27, x)                         \
    324. 

  324.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_26(ACTION, __VA_ARGS__))
    325. 

  325. #define __Y_MAP_ARGS_N_28(ACTION, x, ...) \
    326. 

  326.     ACTION(28, x)                         \
    327. 

  327.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_27(ACTION, __VA_ARGS__))
    328. 

  328. #define __Y_MAP_ARGS_N_29(ACTION, x, ...) \
    329. 

  329.     ACTION(29, x)                         \
    330. 

  330.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_28(ACTION, __VA_ARGS__))
    331. 

  331. #define __Y_MAP_ARGS_N_30(ACTION, x, ...) \
    332. 

  332.     ACTION(30, x)                         \
    333. 

  333.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_29(ACTION, __VA_ARGS__))
    334. 

  334. #define __Y_MAP_ARGS_N_31(ACTION, x, ...) \
    335. 

  335.     ACTION(31, x)                         \
    336. 

  336.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_30(ACTION, __VA_ARGS__))
    337. 

  337. #define __Y_MAP_ARGS_N_32(ACTION, x, ...) \
    338. 

  338.     ACTION(32, x)                         \
    339. 

  339.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_31(ACTION, __VA_ARGS__))
    340. 

  340. #define __Y_MAP_ARGS_N_33(ACTION, x, ...) \
    341. 

  341.     ACTION(33, x)                         \
    342. 

  342.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_32(ACTION, __VA_ARGS__))
    343. 

  343. #define __Y_MAP_ARGS_N_34(ACTION, x, ...) \
    344. 

  344.     ACTION(34, x)                         \
    345. 

  345.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_33(ACTION, __VA_ARGS__))
    346. 

  346. #define __Y_MAP_ARGS_N_35(ACTION, x, ...) \
    347. 

  347.     ACTION(35, x)                         \
    348. 

  348.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_34(ACTION, __VA_ARGS__))
    349. 

  349. #define __Y_MAP_ARGS_N_36(ACTION, x, ...) \
    350. 

  350.     ACTION(36, x)                         \
    351. 

  351.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_35(ACTION, __VA_ARGS__))
    352. 

  352. #define __Y_MAP_ARGS_N_37(ACTION, x, ...) \
    353. 

  353.     ACTION(37, x)                         \
    354. 

  354.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_36(ACTION, __VA_ARGS__))
    355. 

  355. #define __Y_MAP_ARGS_N_38(ACTION, x, ...) \
    356. 

  356.     ACTION(38, x)                         \
    357. 

  357.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_37(ACTION, __VA_ARGS__))
    358. 

  358. #define __Y_MAP_ARGS_N_39(ACTION, x, ...) \
    359. 

  359.     ACTION(39, x)                         \
    360. 

  360.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_38(ACTION, __VA_ARGS__))
    361. 

  361. #define __Y_MAP_ARGS_N_40(ACTION, x, ...) \
    362. 

  362.     ACTION(40, x)                         \
    363. 

  363.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_39(ACTION, __VA_ARGS__))
    364. 

  364. #define __Y_MAP_ARGS_N_41(ACTION, x, ...) \
    365. 

  365.     ACTION(41, x)                         \
    366. 

  366.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_40(ACTION, __VA_ARGS__))
    367. 

  367. #define __Y_MAP_ARGS_N_42(ACTION, x, ...) \
    368. 

  368.     ACTION(42, x)                         \
    369. 

  369.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_41(ACTION, __VA_ARGS__))
    370. 

  370. #define __Y_MAP_ARGS_N_43(ACTION, x, ...) \
    371. 

  371.     ACTION(43, x)                         \
    372. 

  372.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_42(ACTION, __VA_ARGS__))
    373. 

  373. #define __Y_MAP_ARGS_N_44(ACTION, x, ...) \
    374. 

  374.     ACTION(44, x)                         \
    375. 

  375.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_43(ACTION, __VA_ARGS__))
    376. 

  376. #define __Y_MAP_ARGS_N_45(ACTION, x, ...) \
    377. 

  377.     ACTION(45, x)                         \
    378. 

  378.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_44(ACTION, __VA_ARGS__))
    379. 

  379. #define __Y_MAP_ARGS_N_46(ACTION, x, ...) \
    380. 

  380.     ACTION(46, x)                         \
    381. 

  381.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_45(ACTION, __VA_ARGS__))
    382. 

  382. #define __Y_MAP_ARGS_N_47(ACTION, x, ...) \
    383. 

  383.     ACTION(47, x)                         \
    384. 

  384.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_46(ACTION, __VA_ARGS__))
    385. 

  385. #define __Y_MAP_ARGS_N_48(ACTION, x, ...) \
    386. 

  386.     ACTION(48, x)                         \
    387. 

  387.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_47(ACTION, __VA_ARGS__))
    388. 

  388. #define __Y_MAP_ARGS_N_49(ACTION, x, ...) \
    389. 

  389.     ACTION(49, x)                         \
    390. 

  390.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_48(ACTION, __VA_ARGS__))
    391. 

  391. #define __Y_MAP_ARGS_N_50(ACTION, x, ...) \
    392. 

  392.     ACTION(50, x)                         \
    393. 

  393.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_N_49(ACTION, __VA_ARGS__))
    394. 

  394. 

  395. /**
    396. 

  396.  * Expands a macro for each of the variable arguments.
    397. 

  397.  * Doesn't work with empty arguments list.
    398. 

  398.  */
    399. 

  399. #define Y_MAP_ARGS_WITH_LAST(ACTION, LAST_ACTION, ...) Y_PASS_VA_ARGS(Y_PASS_VA_ARGS(Y_CAT(__Y_MAP_ARGS_WITH_LAST_, Y_COUNT_ARGS(__VA_ARGS__)))(ACTION, LAST_ACTION, __VA_ARGS__))
    400. 

  400. #define __Y_MAP_ARGS_WITH_LAST_0(...)
    401. 

  401. #define __Y_MAP_ARGS_WITH_LAST_1(ACTION, LAST_ACTION, x, ...) LAST_ACTION(x)
    402. 

  402. #define __Y_MAP_ARGS_WITH_LAST_2(ACTION, LAST_ACTION, x, ...) \
    403. 

  403.     ACTION(x)                                                 \
    404. 

  404.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_1(ACTION, LAST_ACTION, __VA_ARGS__))
    405. 

  405. #define __Y_MAP_ARGS_WITH_LAST_3(ACTION, LAST_ACTION, x, ...) \
    406. 

  406.     ACTION(x)                                                 \
    407. 

  407.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_2(ACTION, LAST_ACTION, __VA_ARGS__))
    408. 

  408. #define __Y_MAP_ARGS_WITH_LAST_4(ACTION, LAST_ACTION, x, ...) \
    409. 

  409.     ACTION(x)                                                 \
    410. 

  410.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_3(ACTION, LAST_ACTION, __VA_ARGS__))
    411. 

  411. #define __Y_MAP_ARGS_WITH_LAST_5(ACTION, LAST_ACTION, x, ...) \
    412. 

  412.     ACTION(x)                                                 \
    413. 

  413.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_4(ACTION, LAST_ACTION, __VA_ARGS__))
    414. 

  414. #define __Y_MAP_ARGS_WITH_LAST_6(ACTION, LAST_ACTION, x, ...) \
    415. 

  415.     ACTION(x)                                                 \
    416. 

  416.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_5(ACTION, LAST_ACTION, __VA_ARGS__))
    417. 

  417. #define __Y_MAP_ARGS_WITH_LAST_7(ACTION, LAST_ACTION, x, ...) \
    418. 

  418.     ACTION(x)                                                 \
    419. 

  419.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_6(ACTION, LAST_ACTION, __VA_ARGS__))
    420. 

  420. #define __Y_MAP_ARGS_WITH_LAST_8(ACTION, LAST_ACTION, x, ...) \
    421. 

  421.     ACTION(x)                                                 \
    422. 

  422.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_7(ACTION, LAST_ACTION, __VA_ARGS__))
    423. 

  423. #define __Y_MAP_ARGS_WITH_LAST_9(ACTION, LAST_ACTION, x, ...) \
    424. 

  424.     ACTION(x)                                                 \
    425. 

  425.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_8(ACTION, LAST_ACTION, __VA_ARGS__))
    426. 

  426. #define __Y_MAP_ARGS_WITH_LAST_10(ACTION, LAST_ACTION, x, ...) \
    427. 

  427.     ACTION(x)                                                  \
    428. 

  428.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_9(ACTION, LAST_ACTION, __VA_ARGS__))
    429. 

  429. #define __Y_MAP_ARGS_WITH_LAST_11(ACTION, LAST_ACTION, x, ...) \
    430. 

  430.     ACTION(x)                                                  \
    431. 

  431.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_10(ACTION, LAST_ACTION, __VA_ARGS__))
    432. 

  432. #define __Y_MAP_ARGS_WITH_LAST_12(ACTION, LAST_ACTION, x, ...) \
    433. 

  433.     ACTION(x)                                                  \
    434. 

  434.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_11(ACTION, LAST_ACTION, __VA_ARGS__))
    435. 

  435. #define __Y_MAP_ARGS_WITH_LAST_13(ACTION, LAST_ACTION, x, ...) \
    436. 

  436.     ACTION(x)                                                  \
    437. 

  437.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_12(ACTION, LAST_ACTION, __VA_ARGS__))
    438. 

  438. #define __Y_MAP_ARGS_WITH_LAST_14(ACTION, LAST_ACTION, x, ...) \
    439. 

  439.     ACTION(x)                                                  \
    440. 

  440.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_13(ACTION, LAST_ACTION, __VA_ARGS__))
    441. 

  441. #define __Y_MAP_ARGS_WITH_LAST_15(ACTION, LAST_ACTION, x, ...) \
    442. 

  442.     ACTION(x)                                                  \
    443. 

  443.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_14(ACTION, LAST_ACTION, __VA_ARGS__))
    444. 

  444. #define __Y_MAP_ARGS_WITH_LAST_16(ACTION, LAST_ACTION, x, ...) \
    445. 

  445.     ACTION(x)                                                  \
    446. 

  446.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_15(ACTION, LAST_ACTION, __VA_ARGS__))
    447. 

  447. #define __Y_MAP_ARGS_WITH_LAST_17(ACTION, LAST_ACTION, x, ...) \
    448. 

  448.     ACTION(x)                                                  \
    449. 

  449.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_16(ACTION, LAST_ACTION, __VA_ARGS__))
    450. 

  450. #define __Y_MAP_ARGS_WITH_LAST_18(ACTION, LAST_ACTION, x, ...) \
    451. 

  451.     ACTION(x)                                                  \
    452. 

  452.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_17(ACTION, LAST_ACTION, __VA_ARGS__))
    453. 

  453. #define __Y_MAP_ARGS_WITH_LAST_19(ACTION, LAST_ACTION, x, ...) \
    454. 

  454.     ACTION(x)                                                  \
    455. 

  455.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_18(ACTION, LAST_ACTION, __VA_ARGS__))
    456. 

  456. #define __Y_MAP_ARGS_WITH_LAST_20(ACTION, LAST_ACTION, x, ...) \
    457. 

  457.     ACTION(x)                                                  \
    458. 

  458.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_19(ACTION, LAST_ACTION, __VA_ARGS__))
    459. 

  459. #define __Y_MAP_ARGS_WITH_LAST_21(ACTION, LAST_ACTION, x, ...) \
    460. 

  460.     ACTION(x)                                                  \
    461. 

  461.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_20(ACTION, LAST_ACTION, __VA_ARGS__))
    462. 

  462. #define __Y_MAP_ARGS_WITH_LAST_22(ACTION, LAST_ACTION, x, ...) \
    463. 

  463.     ACTION(x)                                                  \
    464. 

  464.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_21(ACTION, LAST_ACTION, __VA_ARGS__))
    465. 

  465. #define __Y_MAP_ARGS_WITH_LAST_23(ACTION, LAST_ACTION, x, ...) \
    466. 

  466.     ACTION(x)                                                  \
    467. 

  467.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_22(ACTION, LAST_ACTION, __VA_ARGS__))
    468. 

  468. #define __Y_MAP_ARGS_WITH_LAST_24(ACTION, LAST_ACTION, x, ...) \
    469. 

  469.     ACTION(x)                                                  \
    470. 

  470.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_23(ACTION, LAST_ACTION, __VA_ARGS__))
    471. 

  471. #define __Y_MAP_ARGS_WITH_LAST_25(ACTION, LAST_ACTION, x, ...) \
    472. 

  472.     ACTION(x)                                                  \
    473. 

  473.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_24(ACTION, LAST_ACTION, __VA_ARGS__))
    474. 

  474. #define __Y_MAP_ARGS_WITH_LAST_26(ACTION, LAST_ACTION, x, ...) \
    475. 

  475.     ACTION(x)                                                  \
    476. 

  476.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_25(ACTION, LAST_ACTION, __VA_ARGS__))
    477. 

  477. #define __Y_MAP_ARGS_WITH_LAST_27(ACTION, LAST_ACTION, x, ...) \
    478. 

  478.     ACTION(x)                                                  \
    479. 

  479.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_26(ACTION, LAST_ACTION, __VA_ARGS__))
    480. 

  480. #define __Y_MAP_ARGS_WITH_LAST_28(ACTION, LAST_ACTION, x, ...) \
    481. 

  481.     ACTION(x)                                                  \
    482. 

  482.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_27(ACTION, LAST_ACTION, __VA_ARGS__))
    483. 

  483. #define __Y_MAP_ARGS_WITH_LAST_29(ACTION, LAST_ACTION, x, ...) \
    484. 

  484.     ACTION(x)                                                  \
    485. 

  485.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_28(ACTION, LAST_ACTION, __VA_ARGS__))
    486. 

  486. #define __Y_MAP_ARGS_WITH_LAST_30(ACTION, LAST_ACTION, x, ...) \
    487. 

  487.     ACTION(x)                                                  \
    488. 

  488.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_29(ACTION, LAST_ACTION, __VA_ARGS__))
    489. 

  489. #define __Y_MAP_ARGS_WITH_LAST_31(ACTION, LAST_ACTION, x, ...) \
    490. 

  490.     ACTION(x)                                                  \
    491. 

  491.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_30(ACTION, LAST_ACTION, __VA_ARGS__))
    492. 

  492. #define __Y_MAP_ARGS_WITH_LAST_32(ACTION, LAST_ACTION, x, ...) \
    493. 

  493.     ACTION(x)                                                  \
    494. 

  494.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_31(ACTION, LAST_ACTION, __VA_ARGS__))
    495. 

  495. #define __Y_MAP_ARGS_WITH_LAST_33(ACTION, LAST_ACTION, x, ...) \
    496. 

  496.     ACTION(x)                                                  \
    497. 

  497.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_32(ACTION, LAST_ACTION, __VA_ARGS__))
    498. 

  498. #define __Y_MAP_ARGS_WITH_LAST_34(ACTION, LAST_ACTION, x, ...) \
    499. 

  499.     ACTION(x)                                                  \
    500. 

  500.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_33(ACTION, LAST_ACTION, __VA_ARGS__))
    501. 

  501. #define __Y_MAP_ARGS_WITH_LAST_35(ACTION, LAST_ACTION, x, ...) \
    502. 

  502.     ACTION(x)                                                  \
    503. 

  503.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_34(ACTION, LAST_ACTION, __VA_ARGS__))
    504. 

  504. #define __Y_MAP_ARGS_WITH_LAST_36(ACTION, LAST_ACTION, x, ...) \
    505. 

  505.     ACTION(x)                                                  \
    506. 

  506.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_35(ACTION, LAST_ACTION, __VA_ARGS__))
    507. 

  507. #define __Y_MAP_ARGS_WITH_LAST_37(ACTION, LAST_ACTION, x, ...) \
    508. 

  508.     ACTION(x)                                                  \
    509. 

  509.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_36(ACTION, LAST_ACTION, __VA_ARGS__))
    510. 

  510. #define __Y_MAP_ARGS_WITH_LAST_38(ACTION, LAST_ACTION, x, ...) \
    511. 

  511.     ACTION(x)                                                  \
    512. 

  512.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_37(ACTION, LAST_ACTION, __VA_ARGS__))
    513. 

  513. #define __Y_MAP_ARGS_WITH_LAST_39(ACTION, LAST_ACTION, x, ...) \
    514. 

  514.     ACTION(x)                                                  \
    515. 

  515.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_38(ACTION, LAST_ACTION, __VA_ARGS__))
    516. 

  516. #define __Y_MAP_ARGS_WITH_LAST_40(ACTION, LAST_ACTION, x, ...) \
    517. 

  517.     ACTION(x)                                                  \
    518. 

  518.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_39(ACTION, LAST_ACTION, __VA_ARGS__))
    519. 

  519. #define __Y_MAP_ARGS_WITH_LAST_41(ACTION, LAST_ACTION, x, ...) \
    520. 

  520.     ACTION(x)                                                  \
    521. 

  521.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_40(ACTION, LAST_ACTION, __VA_ARGS__))
    522. 

  522. #define __Y_MAP_ARGS_WITH_LAST_42(ACTION, LAST_ACTION, x, ...) \
    523. 

  523.     ACTION(x)                                                  \
    524. 

  524.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_41(ACTION, LAST_ACTION, __VA_ARGS__))
    525. 

  525. #define __Y_MAP_ARGS_WITH_LAST_43(ACTION, LAST_ACTION, x, ...) \
    526. 

  526.     ACTION(x)                                                  \
    527. 

  527.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_42(ACTION, LAST_ACTION, __VA_ARGS__))
    528. 

  528. #define __Y_MAP_ARGS_WITH_LAST_44(ACTION, LAST_ACTION, x, ...) \
    529. 

  529.     ACTION(x)                                                  \
    530. 

  530.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_43(ACTION, LAST_ACTION, __VA_ARGS__))
    531. 

  531. #define __Y_MAP_ARGS_WITH_LAST_45(ACTION, LAST_ACTION, x, ...) \
    532. 

  532.     ACTION(x)                                                  \
    533. 

  533.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_44(ACTION, LAST_ACTION, __VA_ARGS__))
    534. 

  534. #define __Y_MAP_ARGS_WITH_LAST_46(ACTION, LAST_ACTION, x, ...) \
    535. 

  535.     ACTION(x)                                                  \
    536. 

  536.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_45(ACTION, LAST_ACTION, __VA_ARGS__))
    537. 

  537. #define __Y_MAP_ARGS_WITH_LAST_47(ACTION, LAST_ACTION, x, ...) \
    538. 

  538.     ACTION(x)                                                  \
    539. 

  539.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_46(ACTION, LAST_ACTION, __VA_ARGS__))
    540. 

  540. #define __Y_MAP_ARGS_WITH_LAST_48(ACTION, LAST_ACTION, x, ...) \
    541. 

  541.     ACTION(x)                                                  \
    542. 

  542.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_47(ACTION, LAST_ACTION, __VA_ARGS__))
    543. 

  543. #define __Y_MAP_ARGS_WITH_LAST_49(ACTION, LAST_ACTION, x, ...) \
    544. 

  544.     ACTION(x)                                                  \
    545. 

  545.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_48(ACTION, LAST_ACTION, __VA_ARGS__))
    546. 

  546. #define __Y_MAP_ARGS_WITH_LAST_50(ACTION, LAST_ACTION, x, ...) \
    547. 

  547.     ACTION(x)                                                  \
    548. 

  548.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_49(ACTION, LAST_ACTION, __VA_ARGS__))
    549. 

  549. 

  550. /**
    551. 

  551.  * Expands a macro for each of the variable arguments with it's sequence number and value.
    552. 

  552.  * Corresponding sequence numbers will expand in descending order.
    553. 

  553.  * Doesn't work with empty arguments list.
    554. 

  554.  */
    555. 

  555. #define Y_MAP_ARGS_WITH_LAST_N(ACTION, LAST_ACTION, ...) Y_PASS_VA_ARGS(Y_PASS_VA_ARGS(Y_CAT(__Y_MAP_ARGS_WITH_LAST_N_, Y_COUNT_ARGS(__VA_ARGS__)))(ACTION, LAST_ACTION, __VA_ARGS__))
    556. 

  556. #define __Y_MAP_ARGS_WITH_LAST_N_0(...)
    557. 

  557. #define __Y_MAP_ARGS_WITH_LAST_N_1(ACTION, LAST_ACTION, x, ...) LAST_ACTION(1, x)
    558. 

  558. #define __Y_MAP_ARGS_WITH_LAST_N_2(ACTION, LAST_ACTION, x, ...) \
    559. 

  559.     ACTION(2, x)                                                \
    560. 

  560.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_1(ACTION, LAST_ACTION, __VA_ARGS__))
    561. 

  561. #define __Y_MAP_ARGS_WITH_LAST_N_3(ACTION, LAST_ACTION, x, ...) \
    562. 

  562.     ACTION(3, x)                                                \
    563. 

  563.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_2(ACTION, LAST_ACTION, __VA_ARGS__))
    564. 

  564. #define __Y_MAP_ARGS_WITH_LAST_N_4(ACTION, LAST_ACTION, x, ...) \
    565. 

  565.     ACTION(4, x)                                                \
    566. 

  566.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_3(ACTION, LAST_ACTION, __VA_ARGS__))
    567. 

  567. #define __Y_MAP_ARGS_WITH_LAST_N_5(ACTION, LAST_ACTION, x, ...) \
    568. 

  568.     ACTION(5, x)                                                \
    569. 

  569.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_4(ACTION, LAST_ACTION, __VA_ARGS__))
    570. 

  570. #define __Y_MAP_ARGS_WITH_LAST_N_6(ACTION, LAST_ACTION, x, ...) \
    571. 

  571.     ACTION(6, x)                                                \
    572. 

  572.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_5(ACTION, LAST_ACTION, __VA_ARGS__))
    573. 

  573. #define __Y_MAP_ARGS_WITH_LAST_N_7(ACTION, LAST_ACTION, x, ...) \
    574. 

  574.     ACTION(7, x)                                                \
    575. 

  575.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_6(ACTION, LAST_ACTION, __VA_ARGS__))
    576. 

  576. #define __Y_MAP_ARGS_WITH_LAST_N_8(ACTION, LAST_ACTION, x, ...) \
    577. 

  577.     ACTION(8, x)                                                \
    578. 

  578.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_7(ACTION, LAST_ACTION, __VA_ARGS__))
    579. 

  579. #define __Y_MAP_ARGS_WITH_LAST_N_9(ACTION, LAST_ACTION, x, ...) \
    580. 

  580.     ACTION(9, x)                                                \
    581. 

  581.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_8(ACTION, LAST_ACTION, __VA_ARGS__))
    582. 

  582. #define __Y_MAP_ARGS_WITH_LAST_N_10(ACTION, LAST_ACTION, x, ...) \
    583. 

  583.     ACTION(10, x)                                                \
    584. 

  584.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_9(ACTION, LAST_ACTION, __VA_ARGS__))
    585. 

  585. #define __Y_MAP_ARGS_WITH_LAST_N_11(ACTION, LAST_ACTION, x, ...) \
    586. 

  586.     ACTION(11, x)                                                \
    587. 

  587.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_10(ACTION, LAST_ACTION, __VA_ARGS__))
    588. 

  588. #define __Y_MAP_ARGS_WITH_LAST_N_12(ACTION, LAST_ACTION, x, ...) \
    589. 

  589.     ACTION(12, x)                                                \
    590. 

  590.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_11(ACTION, LAST_ACTION, __VA_ARGS__))
    591. 

  591. #define __Y_MAP_ARGS_WITH_LAST_N_13(ACTION, LAST_ACTION, x, ...) \
    592. 

  592.     ACTION(13, x)                                                \
    593. 

  593.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_12(ACTION, LAST_ACTION, __VA_ARGS__))
    594. 

  594. #define __Y_MAP_ARGS_WITH_LAST_N_14(ACTION, LAST_ACTION, x, ...) \
    595. 

  595.     ACTION(14, x)                                                \
    596. 

  596.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_13(ACTION, LAST_ACTION, __VA_ARGS__))
    597. 

  597. #define __Y_MAP_ARGS_WITH_LAST_N_15(ACTION, LAST_ACTION, x, ...) \
    598. 

  598.     ACTION(15, x)                                                \
    599. 

  599.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_14(ACTION, LAST_ACTION, __VA_ARGS__))
    600. 

  600. #define __Y_MAP_ARGS_WITH_LAST_N_16(ACTION, LAST_ACTION, x, ...) \
    601. 

  601.     ACTION(16, x)                                                \
    602. 

  602.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_15(ACTION, LAST_ACTION, __VA_ARGS__))
    603. 

  603. #define __Y_MAP_ARGS_WITH_LAST_N_17(ACTION, LAST_ACTION, x, ...) \
    604. 

  604.     ACTION(17, x)                                                \
    605. 

  605.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_16(ACTION, LAST_ACTION, __VA_ARGS__))
    606. 

  606. #define __Y_MAP_ARGS_WITH_LAST_N_18(ACTION, LAST_ACTION, x, ...) \
    607. 

  607.     ACTION(18, x)                                                \
    608. 

  608.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_17(ACTION, LAST_ACTION, __VA_ARGS__))
    609. 

  609. #define __Y_MAP_ARGS_WITH_LAST_N_19(ACTION, LAST_ACTION, x, ...) \
    610. 

  610.     ACTION(19, x)                                                \
    611. 

  611.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_18(ACTION, LAST_ACTION, __VA_ARGS__))
    612. 

  612. #define __Y_MAP_ARGS_WITH_LAST_N_20(ACTION, LAST_ACTION, x, ...) \
    613. 

  613.     ACTION(20, x)                                                \
    614. 

  614.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_19(ACTION, LAST_ACTION, __VA_ARGS__))
    615. 

  615. #define __Y_MAP_ARGS_WITH_LAST_N_21(ACTION, LAST_ACTION, x, ...) \
    616. 

  616.     ACTION(21, x)                                                \
    617. 

  617.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_20(ACTION, LAST_ACTION, __VA_ARGS__))
    618. 

  618. #define __Y_MAP_ARGS_WITH_LAST_N_22(ACTION, LAST_ACTION, x, ...) \
    619. 

  619.     ACTION(22, x)                                                \
    620. 

  620.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_21(ACTION, LAST_ACTION, __VA_ARGS__))
    621. 

  621. #define __Y_MAP_ARGS_WITH_LAST_N_23(ACTION, LAST_ACTION, x, ...) \
    622. 

  622.     ACTION(23, x)                                                \
    623. 

  623.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_22(ACTION, LAST_ACTION, __VA_ARGS__))
    624. 

  624. #define __Y_MAP_ARGS_WITH_LAST_N_24(ACTION, LAST_ACTION, x, ...) \
    625. 

  625.     ACTION(24, x)                                                \
    626. 

  626.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_23(ACTION, LAST_ACTION, __VA_ARGS__))
    627. 

  627. #define __Y_MAP_ARGS_WITH_LAST_N_25(ACTION, LAST_ACTION, x, ...) \
    628. 

  628.     ACTION(25, x)                                                \
    629. 

  629.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_24(ACTION, LAST_ACTION, __VA_ARGS__))
    630. 

  630. #define __Y_MAP_ARGS_WITH_LAST_N_26(ACTION, LAST_ACTION, x, ...) \
    631. 

  631.     ACTION(26, x)                                                \
    632. 

  632.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_25(ACTION, LAST_ACTION, __VA_ARGS__))
    633. 

  633. #define __Y_MAP_ARGS_WITH_LAST_N_27(ACTION, LAST_ACTION, x, ...) \
    634. 

  634.     ACTION(27, x)                                                \
    635. 

  635.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_26(ACTION, LAST_ACTION, __VA_ARGS__))
    636. 

  636. #define __Y_MAP_ARGS_WITH_LAST_N_28(ACTION, LAST_ACTION, x, ...) \
    637. 

  637.     ACTION(28, x)                                                \
    638. 

  638.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_27(ACTION, LAST_ACTION, __VA_ARGS__))
    639. 

  639. #define __Y_MAP_ARGS_WITH_LAST_N_29(ACTION, LAST_ACTION, x, ...) \
    640. 

  640.     ACTION(29, x)                                                \
    641. 

  641.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_28(ACTION, LAST_ACTION, __VA_ARGS__))
    642. 

  642. #define __Y_MAP_ARGS_WITH_LAST_N_30(ACTION, LAST_ACTION, x, ...) \
    643. 

  643.     ACTION(30, x)                                                \
    644. 

  644.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_29(ACTION, LAST_ACTION, __VA_ARGS__))
    645. 

  645. #define __Y_MAP_ARGS_WITH_LAST_N_31(ACTION, LAST_ACTION, x, ...) \
    646. 

  646.     ACTION(31, x)                                                \
    647. 

  647.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_30(ACTION, LAST_ACTION, __VA_ARGS__))
    648. 

  648. #define __Y_MAP_ARGS_WITH_LAST_N_32(ACTION, LAST_ACTION, x, ...) \
    649. 

  649.     ACTION(32, x)                                                \
    650. 

  650.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_31(ACTION, LAST_ACTION, __VA_ARGS__))
    651. 

  651. #define __Y_MAP_ARGS_WITH_LAST_N_33(ACTION, LAST_ACTION, x, ...) \
    652. 

  652.     ACTION(33, x)                                                \
    653. 

  653.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_32(ACTION, LAST_ACTION, __VA_ARGS__))
    654. 

  654. #define __Y_MAP_ARGS_WITH_LAST_N_34(ACTION, LAST_ACTION, x, ...) \
    655. 

  655.     ACTION(34, x)                                                \
    656. 

  656.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_33(ACTION, LAST_ACTION, __VA_ARGS__))
    657. 

  657. #define __Y_MAP_ARGS_WITH_LAST_N_35(ACTION, LAST_ACTION, x, ...) \
    658. 

  658.     ACTION(35, x)                                                \
    659. 

  659.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_34(ACTION, LAST_ACTION, __VA_ARGS__))
    660. 

  660. #define __Y_MAP_ARGS_WITH_LAST_N_36(ACTION, LAST_ACTION, x, ...) \
    661. 

  661.     ACTION(36, x)                                                \
    662. 

  662.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_35(ACTION, LAST_ACTION, __VA_ARGS__))
    663. 

  663. #define __Y_MAP_ARGS_WITH_LAST_N_37(ACTION, LAST_ACTION, x, ...) \
    664. 

  664.     ACTION(37, x)                                                \
    665. 

  665.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_36(ACTION, LAST_ACTION, __VA_ARGS__))
    666. 

  666. #define __Y_MAP_ARGS_WITH_LAST_N_38(ACTION, LAST_ACTION, x, ...) \
    667. 

  667.     ACTION(38, x)                                                \
    668. 

  668.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_37(ACTION, LAST_ACTION, __VA_ARGS__))
    669. 

  669. #define __Y_MAP_ARGS_WITH_LAST_N_39(ACTION, LAST_ACTION, x, ...) \
    670. 

  670.     ACTION(39, x)                                                \
    671. 

  671.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_38(ACTION, LAST_ACTION, __VA_ARGS__))
    672. 

  672. #define __Y_MAP_ARGS_WITH_LAST_N_40(ACTION, LAST_ACTION, x, ...) \
    673. 

  673.     ACTION(40, x)                                                \
    674. 

  674.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_39(ACTION, LAST_ACTION, __VA_ARGS__))
    675. 

  675. #define __Y_MAP_ARGS_WITH_LAST_N_41(ACTION, LAST_ACTION, x, ...) \
    676. 

  676.     ACTION(41, x)                                                \
    677. 

  677.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_40(ACTION, LAST_ACTION, __VA_ARGS__))
    678. 

  678. #define __Y_MAP_ARGS_WITH_LAST_N_42(ACTION, LAST_ACTION, x, ...) \
    679. 

  679.     ACTION(42, x)                                                \
    680. 

  680.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_41(ACTION, LAST_ACTION, __VA_ARGS__))
    681. 

  681. #define __Y_MAP_ARGS_WITH_LAST_N_43(ACTION, LAST_ACTION, x, ...) \
    682. 

  682.     ACTION(43, x)                                                \
    683. 

  683.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_42(ACTION, LAST_ACTION, __VA_ARGS__))
    684. 

  684. #define __Y_MAP_ARGS_WITH_LAST_N_44(ACTION, LAST_ACTION, x, ...) \
    685. 

  685.     ACTION(44, x)                                                \
    686. 

  686.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_43(ACTION, LAST_ACTION, __VA_ARGS__))
    687. 

  687. #define __Y_MAP_ARGS_WITH_LAST_N_45(ACTION, LAST_ACTION, x, ...) \
    688. 

  688.     ACTION(45, x)                                                \
    689. 

  689.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_44(ACTION, LAST_ACTION, __VA_ARGS__))
    690. 

  690. #define __Y_MAP_ARGS_WITH_LAST_N_46(ACTION, LAST_ACTION, x, ...) \
    691. 

  691.     ACTION(46, x)                                                \
    692. 

  692.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_45(ACTION, LAST_ACTION, __VA_ARGS__))
    693. 

  693. #define __Y_MAP_ARGS_WITH_LAST_N_47(ACTION, LAST_ACTION, x, ...) \
    694. 

  694.     ACTION(47, x)                                                \
    695. 

  695.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_46(ACTION, LAST_ACTION, __VA_ARGS__))
    696. 

  696. #define __Y_MAP_ARGS_WITH_LAST_N_48(ACTION, LAST_ACTION, x, ...) \
    697. 

  697.     ACTION(48, x)                                                \
    698. 

  698.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_47(ACTION, LAST_ACTION, __VA_ARGS__))
    699. 

  699. #define __Y_MAP_ARGS_WITH_LAST_N_49(ACTION, LAST_ACTION, x, ...) \
    700. 

  700.     ACTION(49, x)                                                \
    701. 

  701.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_48(ACTION, LAST_ACTION, __VA_ARGS__))
    702. 

  702. #define __Y_MAP_ARGS_WITH_LAST_N_50(ACTION, LAST_ACTION, x, ...) \
    703. 

  703.     ACTION(50, x)                                                \
    704. 

  704.     Y_PASS_VA_ARGS(__Y_MAP_ARGS_WITH_LAST_N_49(ACTION, LAST_ACTION, __VA_ARGS__))
    705. 

  705. 

  706. /**
    707. 

  707.  * Get all elements but the last one from `__VA_ARGS__`.
    708. 

  708.  * Doesn't work with empty arguments list.
    709. 

  709.  */
    710. 

  710. #define Y_ALL_BUT_LAST(...) Y_PASS_VA_ARGS(Y_PASS_VA_ARGS(Y_CAT(__Y_ALL_BUT_LAST_, Y_COUNT_ARGS(__VA_ARGS__)))(__VA_ARGS__))
    711. 

  711. #define __Y_ALL_BUT_LAST_0(...)
    712. 

  712. #define __Y_ALL_BUT_LAST_1(...)
    713. 

  713. #define __Y_ALL_BUT_LAST_2(_0, ...) _0
    714. 

  714. #define __Y_ALL_BUT_LAST_3(_0, _1, ...) _0, _1
    715. 

  715. #define __Y_ALL_BUT_LAST_4(_0, _1, _2, ...) _0, _1, _2
    716. 

  716. #define __Y_ALL_BUT_LAST_5(_0, _1, _2, _3, ...) _0, _1, _2, _3
    717. 

  717. #define __Y_ALL_BUT_LAST_6(_0, _1, _2, _3, _4, ...) _0, _1, _2, _3, _4
    718. 

  718. #define __Y_ALL_BUT_LAST_7(_0, _1, _2, _3, _4, _5, ...) _0, _1, _2, _3, _4, _5
    719. 

  719. #define __Y_ALL_BUT_LAST_8(_0, _1, _2, _3, _4, _5, _6, ...) _0, _1, _2, _3, _4, _5, _6
    720. 

  720. #define __Y_ALL_BUT_LAST_9(_0, _1, _2, _3, _4, _5, _6, _7, ...) _0, _1, _2, _3, _4, _5, _6, _7
    721. 

  721. #define __Y_ALL_BUT_LAST_10(_0, _1, _2, _3, _4, _5, _6, _7, _8, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8
    722. 

  722. #define __Y_ALL_BUT_LAST_11(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9
    723. 

  723. #define __Y_ALL_BUT_LAST_12(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10
    724. 

  724. #define __Y_ALL_BUT_LAST_13(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11
    725. 

  725. #define __Y_ALL_BUT_LAST_14(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12
    726. 

  726. #define __Y_ALL_BUT_LAST_15(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13
    727. 

  727. #define __Y_ALL_BUT_LAST_16(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14
    728. 

  728. #define __Y_ALL_BUT_LAST_17(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15
    729. 

  729. #define __Y_ALL_BUT_LAST_18(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16
    730. 

  730. #define __Y_ALL_BUT_LAST_19(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17
    731. 

  731. #define __Y_ALL_BUT_LAST_20(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18
    732. 

  732. #define __Y_ALL_BUT_LAST_21(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19
    733. 

  733. #define __Y_ALL_BUT_LAST_22(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20
    734. 

  734. #define __Y_ALL_BUT_LAST_23(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21
    735. 

  735. #define __Y_ALL_BUT_LAST_24(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22
    736. 

  736. #define __Y_ALL_BUT_LAST_25(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23
    737. 

  737. #define __Y_ALL_BUT_LAST_26(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24
    738. 

  738. #define __Y_ALL_BUT_LAST_27(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25
    739. 

  739. #define __Y_ALL_BUT_LAST_28(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26
    740. 

  740. #define __Y_ALL_BUT_LAST_29(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27
    741. 

  741. #define __Y_ALL_BUT_LAST_30(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28
    742. 

  742. #define __Y_ALL_BUT_LAST_31(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29
    743. 

  743. #define __Y_ALL_BUT_LAST_32(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30
    744. 

  744. #define __Y_ALL_BUT_LAST_33(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31
    745. 

  745. #define __Y_ALL_BUT_LAST_34(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32
    746. 

  746. #define __Y_ALL_BUT_LAST_35(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33
    747. 

  747. #define __Y_ALL_BUT_LAST_36(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34
    748. 

  748. #define __Y_ALL_BUT_LAST_37(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35
    749. 

  749. #define __Y_ALL_BUT_LAST_38(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36
    750. 

  750. #define __Y_ALL_BUT_LAST_39(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37
    751. 

  751. #define __Y_ALL_BUT_LAST_40(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38
    752. 

  752. #define __Y_ALL_BUT_LAST_41(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39
    753. 

  753. #define __Y_ALL_BUT_LAST_42(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40
    754. 

  754. #define __Y_ALL_BUT_LAST_43(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41
    755. 

  755. #define __Y_ALL_BUT_LAST_44(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42
    756. 

  756. #define __Y_ALL_BUT_LAST_45(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43
    757. 

  757. #define __Y_ALL_BUT_LAST_46(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44
    758. 

  758. #define __Y_ALL_BUT_LAST_47(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45
    759. 

  759. #define __Y_ALL_BUT_LAST_48(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46
    760. 

  760. #define __Y_ALL_BUT_LAST_49(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47
    761. 

  761. #define __Y_ALL_BUT_LAST_50(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, ...) _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48
    762. 

  762. 

  763. /**
    764. 

  764.  * Get the last element from `__VA_ARGS__`.
    765. 

  765.  * Doesn't work with empty arguments list.
    766. 

  766.  */
    767. 

  767. #define Y_LAST(...) Y_PASS_VA_ARGS(Y_GET_ARG(Y_COUNT_ARGS(__VA_ARGS__), , __VA_ARGS__, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ))
    768. 

  768. 

  769. /**
    770. 

  770.  * Macros for implementing overload by number of arguments.
    771. 

  771.  *
    772. 

  772.  * Example usage:
    773. 

  773.  *
    774. 

  774.  * @code{cpp}
    775. 

  775.  * #define I1(arg1) Cout << Y_STRINGIZE(arg1) << Endl;
    776. 

  776.  * #define I2(arg1, arg2) Cout << Y_STRINGIZE(arg1) << ';' << Y_STRINGIZE(arg2) << Endl;
    777. 

  777.  *
    778. 

  778.  * #define Y_PRINT(...) Y_PASS_VA_ARGS(Y_MACRO_IMPL_DISPATCHER_2(__VA_ARGS__, I2, I1)(__VA_ARGS__))
    779. 

  779.  * @endcode
    780. 

  780.  */
    781. 

  781. /// @{
    782. 

  782. #define Y_MACRO_IMPL_DISPATCHER_2(_0, _1, IMPL, ...) IMPL
    783. 

  783. #define Y_MACRO_IMPL_DISPATCHER_3(_0, _1, _2, IMPL, ...) IMPL
    784. 

  784. #define Y_MACRO_IMPL_DISPATCHER_4(_0, _1, _2, _3, IMPL, ...) IMPL
    785. 

  785. #define Y_MACRO_IMPL_DISPATCHER_5(_0, _1, _2, _3, _4, IMPL, ...) IMPL
    786. 

  786. #define Y_MACRO_IMPL_DISPATCHER_6(_0, _1, _2, _3, _4, _5, IMPL, ...) IMPL
    787. 

  787. #define Y_MACRO_IMPL_DISPATCHER_7(_0, _1, _2, _3, _4, _5, _6, IMPL, ...) IMPL
    788. 

  788. #define Y_MACRO_IMPL_DISPATCHER_8(_0, _1, _2, _3, _4, _5, _6, _7, IMPL, ...) IMPL
    789. 

  789. #define Y_MACRO_IMPL_DISPATCHER_9(_0, _1, _2, _3, _4, _5, _6, _7, _8, IMPL, ...) IMPL
    790. 

  790. #define Y_MACRO_IMPL_DISPATCHER_10(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, IMPL, ...) IMPL
    791. 

  791. /// }@
    792.