mirror of
https://github.com/aantron/better-enums.git
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d9bd109172
They can now be easily computed using the random access iterators. There appears to be a slight performance improvement.
696 lines
43 KiB
C++
696 lines
43 KiB
C++
// This file is part of Better Enums, released under the BSD 2-clause license.
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// See LICENSE for details, or visit http://github.com/aantron/better-enums.
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#pragma once
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#ifndef _BETTER_ENUMS_ENUM_H_
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#define _BETTER_ENUMS_ENUM_H_
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#include <cstddef> // For size_t.
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#include <stdexcept>
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#include <type_traits>
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#ifdef BETTER_ENUMS_MACRO_FILE
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#include BETTER_ENUMS_MACRO_FILE
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#else
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#define _ENUM_PP_MAP(macro, data, ...) \
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_ENUM_A(_ENUM_PP_MAP_VAR_COUNT, _ENUM_PP_COUNT(__VA_ARGS__)) \
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(macro, data, __VA_ARGS__)
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#define _ENUM_PP_MAP_VAR_COUNT(count) _ENUM_M ## count
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#define _ENUM_A(macro, ...) macro(__VA_ARGS__)
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#define _ENUM_M1(m, d, x) _ENUM_A(m, d, 0, x)
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#define _ENUM_M2(m,d,x,...) _ENUM_A(m,d,1,x) _ENUM_M1(m,d,__VA_ARGS__)
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#define _ENUM_M3(m,d,x,...) _ENUM_A(m,d,2,x) _ENUM_M2(m,d,__VA_ARGS__)
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#define _ENUM_M4(m,d,x,...) _ENUM_A(m,d,3,x) _ENUM_M3(m,d,__VA_ARGS__)
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#define _ENUM_M5(m,d,x,...) _ENUM_A(m,d,4,x) _ENUM_M4(m,d,__VA_ARGS__)
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#define _ENUM_M6(m,d,x,...) _ENUM_A(m,d,5,x) _ENUM_M5(m,d,__VA_ARGS__)
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#define _ENUM_M7(m,d,x,...) _ENUM_A(m,d,6,x) _ENUM_M6(m,d,__VA_ARGS__)
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#define _ENUM_M8(m,d,x,...) _ENUM_A(m,d,7,x) _ENUM_M7(m,d,__VA_ARGS__)
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#define _ENUM_M9(m,d,x,...) _ENUM_A(m,d,8,x) _ENUM_M8(m,d,__VA_ARGS__)
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#define _ENUM_M10(m,d,x,...) _ENUM_A(m,d,9,x) _ENUM_M9(m,d,__VA_ARGS__)
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#define _ENUM_M11(m,d,x,...) _ENUM_A(m,d,10,x) _ENUM_M10(m,d,__VA_ARGS__)
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#define _ENUM_M12(m,d,x,...) _ENUM_A(m,d,11,x) _ENUM_M11(m,d,__VA_ARGS__)
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#define _ENUM_M13(m,d,x,...) _ENUM_A(m,d,12,x) _ENUM_M12(m,d,__VA_ARGS__)
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#define _ENUM_M14(m,d,x,...) _ENUM_A(m,d,13,x) _ENUM_M13(m,d,__VA_ARGS__)
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#define _ENUM_M15(m,d,x,...) _ENUM_A(m,d,14,x) _ENUM_M14(m,d,__VA_ARGS__)
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#define _ENUM_M16(m,d,x,...) _ENUM_A(m,d,15,x) _ENUM_M15(m,d,__VA_ARGS__)
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#define _ENUM_M17(m,d,x,...) _ENUM_A(m,d,16,x) _ENUM_M16(m,d,__VA_ARGS__)
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#define _ENUM_M18(m,d,x,...) _ENUM_A(m,d,17,x) _ENUM_M17(m,d,__VA_ARGS__)
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#define _ENUM_M19(m,d,x,...) _ENUM_A(m,d,18,x) _ENUM_M18(m,d,__VA_ARGS__)
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#define _ENUM_M20(m,d,x,...) _ENUM_A(m,d,19,x) _ENUM_M19(m,d,__VA_ARGS__)
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#define _ENUM_M21(m,d,x,...) _ENUM_A(m,d,20,x) _ENUM_M20(m,d,__VA_ARGS__)
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#define _ENUM_M22(m,d,x,...) _ENUM_A(m,d,21,x) _ENUM_M21(m,d,__VA_ARGS__)
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#define _ENUM_M23(m,d,x,...) _ENUM_A(m,d,22,x) _ENUM_M22(m,d,__VA_ARGS__)
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#define _ENUM_M24(m,d,x,...) _ENUM_A(m,d,23,x) _ENUM_M23(m,d,__VA_ARGS__)
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#define _ENUM_M25(m,d,x,...) _ENUM_A(m,d,24,x) _ENUM_M24(m,d,__VA_ARGS__)
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#define _ENUM_M26(m,d,x,...) _ENUM_A(m,d,25,x) _ENUM_M25(m,d,__VA_ARGS__)
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#define _ENUM_M27(m,d,x,...) _ENUM_A(m,d,26,x) _ENUM_M26(m,d,__VA_ARGS__)
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#define _ENUM_M28(m,d,x,...) _ENUM_A(m,d,27,x) _ENUM_M27(m,d,__VA_ARGS__)
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#define _ENUM_M29(m,d,x,...) _ENUM_A(m,d,28,x) _ENUM_M28(m,d,__VA_ARGS__)
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#define _ENUM_M30(m,d,x,...) _ENUM_A(m,d,29,x) _ENUM_M29(m,d,__VA_ARGS__)
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#define _ENUM_M31(m,d,x,...) _ENUM_A(m,d,30,x) _ENUM_M30(m,d,__VA_ARGS__)
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#define _ENUM_M32(m,d,x,...) _ENUM_A(m,d,31,x) _ENUM_M31(m,d,__VA_ARGS__)
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#define _ENUM_M33(m,d,x,...) _ENUM_A(m,d,32,x) _ENUM_M32(m,d,__VA_ARGS__)
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#define _ENUM_M34(m,d,x,...) _ENUM_A(m,d,33,x) _ENUM_M33(m,d,__VA_ARGS__)
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#define _ENUM_M35(m,d,x,...) _ENUM_A(m,d,34,x) _ENUM_M34(m,d,__VA_ARGS__)
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#define _ENUM_M36(m,d,x,...) _ENUM_A(m,d,35,x) _ENUM_M35(m,d,__VA_ARGS__)
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#define _ENUM_M37(m,d,x,...) _ENUM_A(m,d,36,x) _ENUM_M36(m,d,__VA_ARGS__)
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#define _ENUM_M38(m,d,x,...) _ENUM_A(m,d,37,x) _ENUM_M37(m,d,__VA_ARGS__)
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#define _ENUM_M39(m,d,x,...) _ENUM_A(m,d,38,x) _ENUM_M38(m,d,__VA_ARGS__)
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#define _ENUM_M40(m,d,x,...) _ENUM_A(m,d,39,x) _ENUM_M39(m,d,__VA_ARGS__)
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#define _ENUM_M41(m,d,x,...) _ENUM_A(m,d,40,x) _ENUM_M40(m,d,__VA_ARGS__)
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#define _ENUM_M42(m,d,x,...) _ENUM_A(m,d,41,x) _ENUM_M41(m,d,__VA_ARGS__)
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#define _ENUM_M43(m,d,x,...) _ENUM_A(m,d,42,x) _ENUM_M42(m,d,__VA_ARGS__)
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#define _ENUM_M44(m,d,x,...) _ENUM_A(m,d,43,x) _ENUM_M43(m,d,__VA_ARGS__)
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#define _ENUM_M45(m,d,x,...) _ENUM_A(m,d,44,x) _ENUM_M44(m,d,__VA_ARGS__)
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#define _ENUM_M46(m,d,x,...) _ENUM_A(m,d,45,x) _ENUM_M45(m,d,__VA_ARGS__)
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#define _ENUM_M47(m,d,x,...) _ENUM_A(m,d,46,x) _ENUM_M46(m,d,__VA_ARGS__)
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#define _ENUM_M48(m,d,x,...) _ENUM_A(m,d,47,x) _ENUM_M47(m,d,__VA_ARGS__)
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#define _ENUM_M49(m,d,x,...) _ENUM_A(m,d,48,x) _ENUM_M48(m,d,__VA_ARGS__)
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#define _ENUM_M50(m,d,x,...) _ENUM_A(m,d,49,x) _ENUM_M49(m,d,__VA_ARGS__)
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#define _ENUM_M51(m,d,x,...) _ENUM_A(m,d,50,x) _ENUM_M50(m,d,__VA_ARGS__)
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#define _ENUM_M52(m,d,x,...) _ENUM_A(m,d,51,x) _ENUM_M51(m,d,__VA_ARGS__)
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#define _ENUM_M53(m,d,x,...) _ENUM_A(m,d,52,x) _ENUM_M52(m,d,__VA_ARGS__)
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#define _ENUM_M54(m,d,x,...) _ENUM_A(m,d,53,x) _ENUM_M53(m,d,__VA_ARGS__)
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#define _ENUM_M55(m,d,x,...) _ENUM_A(m,d,54,x) _ENUM_M54(m,d,__VA_ARGS__)
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#define _ENUM_M56(m,d,x,...) _ENUM_A(m,d,55,x) _ENUM_M55(m,d,__VA_ARGS__)
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#define _ENUM_M57(m,d,x,...) _ENUM_A(m,d,56,x) _ENUM_M56(m,d,__VA_ARGS__)
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#define _ENUM_M58(m,d,x,...) _ENUM_A(m,d,57,x) _ENUM_M57(m,d,__VA_ARGS__)
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#define _ENUM_M59(m,d,x,...) _ENUM_A(m,d,58,x) _ENUM_M58(m,d,__VA_ARGS__)
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#define _ENUM_M60(m,d,x,...) _ENUM_A(m,d,59,x) _ENUM_M59(m,d,__VA_ARGS__)
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#define _ENUM_M61(m,d,x,...) _ENUM_A(m,d,60,x) _ENUM_M60(m,d,__VA_ARGS__)
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#define _ENUM_M62(m,d,x,...) _ENUM_A(m,d,61,x) _ENUM_M61(m,d,__VA_ARGS__)
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#define _ENUM_M63(m,d,x,...) _ENUM_A(m,d,62,x) _ENUM_M62(m,d,__VA_ARGS__)
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#define _ENUM_M64(m,d,x,...) _ENUM_A(m,d,63,x) _ENUM_M63(m,d,__VA_ARGS__)
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#define _ENUM_M65(m,d,x,...) _ENUM_A(m,d,64,x) _ENUM_M64(m,d,__VA_ARGS__)
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#define _ENUM_M66(m,d,x,...) _ENUM_A(m,d,65,x) _ENUM_M65(m,d,__VA_ARGS__)
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#define _ENUM_M67(m,d,x,...) _ENUM_A(m,d,66,x) _ENUM_M66(m,d,__VA_ARGS__)
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#define _ENUM_M68(m,d,x,...) _ENUM_A(m,d,67,x) _ENUM_M67(m,d,__VA_ARGS__)
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#define _ENUM_M69(m,d,x,...) _ENUM_A(m,d,68,x) _ENUM_M68(m,d,__VA_ARGS__)
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#define _ENUM_M70(m,d,x,...) _ENUM_A(m,d,69,x) _ENUM_M69(m,d,__VA_ARGS__)
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#define _ENUM_M71(m,d,x,...) _ENUM_A(m,d,70,x) _ENUM_M70(m,d,__VA_ARGS__)
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#define _ENUM_M72(m,d,x,...) _ENUM_A(m,d,71,x) _ENUM_M71(m,d,__VA_ARGS__)
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#define _ENUM_M73(m,d,x,...) _ENUM_A(m,d,72,x) _ENUM_M72(m,d,__VA_ARGS__)
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#define _ENUM_M74(m,d,x,...) _ENUM_A(m,d,73,x) _ENUM_M73(m,d,__VA_ARGS__)
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#define _ENUM_M75(m,d,x,...) _ENUM_A(m,d,74,x) _ENUM_M74(m,d,__VA_ARGS__)
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#define _ENUM_M76(m,d,x,...) _ENUM_A(m,d,75,x) _ENUM_M75(m,d,__VA_ARGS__)
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#define _ENUM_M77(m,d,x,...) _ENUM_A(m,d,76,x) _ENUM_M76(m,d,__VA_ARGS__)
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#define _ENUM_M78(m,d,x,...) _ENUM_A(m,d,77,x) _ENUM_M77(m,d,__VA_ARGS__)
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#define _ENUM_M79(m,d,x,...) _ENUM_A(m,d,78,x) _ENUM_M78(m,d,__VA_ARGS__)
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#define _ENUM_M80(m,d,x,...) _ENUM_A(m,d,79,x) _ENUM_M79(m,d,__VA_ARGS__)
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#define _ENUM_M81(m,d,x,...) _ENUM_A(m,d,80,x) _ENUM_M80(m,d,__VA_ARGS__)
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#define _ENUM_M82(m,d,x,...) _ENUM_A(m,d,81,x) _ENUM_M81(m,d,__VA_ARGS__)
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#define _ENUM_M83(m,d,x,...) _ENUM_A(m,d,82,x) _ENUM_M82(m,d,__VA_ARGS__)
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#define _ENUM_M84(m,d,x,...) _ENUM_A(m,d,83,x) _ENUM_M83(m,d,__VA_ARGS__)
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#define _ENUM_M85(m,d,x,...) _ENUM_A(m,d,84,x) _ENUM_M84(m,d,__VA_ARGS__)
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#define _ENUM_M86(m,d,x,...) _ENUM_A(m,d,85,x) _ENUM_M85(m,d,__VA_ARGS__)
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#define _ENUM_M87(m,d,x,...) _ENUM_A(m,d,86,x) _ENUM_M86(m,d,__VA_ARGS__)
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#define _ENUM_M88(m,d,x,...) _ENUM_A(m,d,87,x) _ENUM_M87(m,d,__VA_ARGS__)
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#define _ENUM_M89(m,d,x,...) _ENUM_A(m,d,88,x) _ENUM_M88(m,d,__VA_ARGS__)
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#define _ENUM_M90(m,d,x,...) _ENUM_A(m,d,89,x) _ENUM_M89(m,d,__VA_ARGS__)
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#define _ENUM_M91(m,d,x,...) _ENUM_A(m,d,90,x) _ENUM_M90(m,d,__VA_ARGS__)
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#define _ENUM_M92(m,d,x,...) _ENUM_A(m,d,91,x) _ENUM_M91(m,d,__VA_ARGS__)
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#define _ENUM_M93(m,d,x,...) _ENUM_A(m,d,92,x) _ENUM_M92(m,d,__VA_ARGS__)
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#define _ENUM_M94(m,d,x,...) _ENUM_A(m,d,93,x) _ENUM_M93(m,d,__VA_ARGS__)
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#define _ENUM_M95(m,d,x,...) _ENUM_A(m,d,94,x) _ENUM_M94(m,d,__VA_ARGS__)
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#define _ENUM_M96(m,d,x,...) _ENUM_A(m,d,95,x) _ENUM_M95(m,d,__VA_ARGS__)
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#define _ENUM_M97(m,d,x,...) _ENUM_A(m,d,96,x) _ENUM_M96(m,d,__VA_ARGS__)
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#define _ENUM_M98(m,d,x,...) _ENUM_A(m,d,97,x) _ENUM_M97(m,d,__VA_ARGS__)
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#define _ENUM_M99(m,d,x,...) _ENUM_A(m,d,98,x) _ENUM_M98(m,d,__VA_ARGS__)
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#define _ENUM_M100(m,d,x,...) _ENUM_A(m,d,99,x) _ENUM_M99(m,d,__VA_ARGS__)
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#define _ENUM_M101(m,d,x,...) _ENUM_A(m,d,100,x) _ENUM_M100(m,d,__VA_ARGS__)
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#define _ENUM_M102(m,d,x,...) _ENUM_A(m,d,101,x) _ENUM_M101(m,d,__VA_ARGS__)
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#define _ENUM_M103(m,d,x,...) _ENUM_A(m,d,102,x) _ENUM_M102(m,d,__VA_ARGS__)
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#define _ENUM_M104(m,d,x,...) _ENUM_A(m,d,103,x) _ENUM_M103(m,d,__VA_ARGS__)
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#define _ENUM_M105(m,d,x,...) _ENUM_A(m,d,104,x) _ENUM_M104(m,d,__VA_ARGS__)
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#define _ENUM_M106(m,d,x,...) _ENUM_A(m,d,105,x) _ENUM_M105(m,d,__VA_ARGS__)
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#define _ENUM_M107(m,d,x,...) _ENUM_A(m,d,106,x) _ENUM_M106(m,d,__VA_ARGS__)
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#define _ENUM_M108(m,d,x,...) _ENUM_A(m,d,107,x) _ENUM_M107(m,d,__VA_ARGS__)
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#define _ENUM_M109(m,d,x,...) _ENUM_A(m,d,108,x) _ENUM_M108(m,d,__VA_ARGS__)
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#define _ENUM_M110(m,d,x,...) _ENUM_A(m,d,109,x) _ENUM_M109(m,d,__VA_ARGS__)
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#define _ENUM_M111(m,d,x,...) _ENUM_A(m,d,110,x) _ENUM_M110(m,d,__VA_ARGS__)
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#define _ENUM_M112(m,d,x,...) _ENUM_A(m,d,111,x) _ENUM_M111(m,d,__VA_ARGS__)
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#define _ENUM_M113(m,d,x,...) _ENUM_A(m,d,112,x) _ENUM_M112(m,d,__VA_ARGS__)
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#define _ENUM_M114(m,d,x,...) _ENUM_A(m,d,113,x) _ENUM_M113(m,d,__VA_ARGS__)
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#define _ENUM_M115(m,d,x,...) _ENUM_A(m,d,114,x) _ENUM_M114(m,d,__VA_ARGS__)
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#define _ENUM_M116(m,d,x,...) _ENUM_A(m,d,115,x) _ENUM_M115(m,d,__VA_ARGS__)
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#define _ENUM_M117(m,d,x,...) _ENUM_A(m,d,116,x) _ENUM_M116(m,d,__VA_ARGS__)
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#define _ENUM_M118(m,d,x,...) _ENUM_A(m,d,117,x) _ENUM_M117(m,d,__VA_ARGS__)
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#define _ENUM_M119(m,d,x,...) _ENUM_A(m,d,118,x) _ENUM_M118(m,d,__VA_ARGS__)
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#define _ENUM_M120(m,d,x,...) _ENUM_A(m,d,119,x) _ENUM_M119(m,d,__VA_ARGS__)
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#define _ENUM_M121(m,d,x,...) _ENUM_A(m,d,120,x) _ENUM_M120(m,d,__VA_ARGS__)
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#define _ENUM_M122(m,d,x,...) _ENUM_A(m,d,121,x) _ENUM_M121(m,d,__VA_ARGS__)
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#define _ENUM_M123(m,d,x,...) _ENUM_A(m,d,122,x) _ENUM_M122(m,d,__VA_ARGS__)
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#define _ENUM_M124(m,d,x,...) _ENUM_A(m,d,123,x) _ENUM_M123(m,d,__VA_ARGS__)
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#define _ENUM_M125(m,d,x,...) _ENUM_A(m,d,124,x) _ENUM_M124(m,d,__VA_ARGS__)
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#define _ENUM_M126(m,d,x,...) _ENUM_A(m,d,125,x) _ENUM_M125(m,d,__VA_ARGS__)
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#define _ENUM_M127(m,d,x,...) _ENUM_A(m,d,126,x) _ENUM_M126(m,d,__VA_ARGS__)
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#define _ENUM_M128(m,d,x,...) _ENUM_A(m,d,127,x) _ENUM_M127(m,d,__VA_ARGS__)
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#define _ENUM_M129(m,d,x,...) _ENUM_A(m,d,128,x) _ENUM_M128(m,d,__VA_ARGS__)
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#define _ENUM_M130(m,d,x,...) _ENUM_A(m,d,129,x) _ENUM_M129(m,d,__VA_ARGS__)
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#define _ENUM_M131(m,d,x,...) _ENUM_A(m,d,130,x) _ENUM_M130(m,d,__VA_ARGS__)
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#define _ENUM_M132(m,d,x,...) _ENUM_A(m,d,131,x) _ENUM_M131(m,d,__VA_ARGS__)
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#define _ENUM_M133(m,d,x,...) _ENUM_A(m,d,132,x) _ENUM_M132(m,d,__VA_ARGS__)
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#define _ENUM_M134(m,d,x,...) _ENUM_A(m,d,133,x) _ENUM_M133(m,d,__VA_ARGS__)
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#define _ENUM_M135(m,d,x,...) _ENUM_A(m,d,134,x) _ENUM_M134(m,d,__VA_ARGS__)
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#define _ENUM_M136(m,d,x,...) _ENUM_A(m,d,135,x) _ENUM_M135(m,d,__VA_ARGS__)
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#define _ENUM_M137(m,d,x,...) _ENUM_A(m,d,136,x) _ENUM_M136(m,d,__VA_ARGS__)
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#define _ENUM_M138(m,d,x,...) _ENUM_A(m,d,137,x) _ENUM_M137(m,d,__VA_ARGS__)
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#define _ENUM_M139(m,d,x,...) _ENUM_A(m,d,138,x) _ENUM_M138(m,d,__VA_ARGS__)
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#define _ENUM_M140(m,d,x,...) _ENUM_A(m,d,139,x) _ENUM_M139(m,d,__VA_ARGS__)
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#define _ENUM_M141(m,d,x,...) _ENUM_A(m,d,140,x) _ENUM_M140(m,d,__VA_ARGS__)
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#define _ENUM_M142(m,d,x,...) _ENUM_A(m,d,141,x) _ENUM_M141(m,d,__VA_ARGS__)
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#define _ENUM_M143(m,d,x,...) _ENUM_A(m,d,142,x) _ENUM_M142(m,d,__VA_ARGS__)
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#define _ENUM_M144(m,d,x,...) _ENUM_A(m,d,143,x) _ENUM_M143(m,d,__VA_ARGS__)
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#define _ENUM_M145(m,d,x,...) _ENUM_A(m,d,144,x) _ENUM_M144(m,d,__VA_ARGS__)
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#define _ENUM_M146(m,d,x,...) _ENUM_A(m,d,145,x) _ENUM_M145(m,d,__VA_ARGS__)
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#define _ENUM_M147(m,d,x,...) _ENUM_A(m,d,146,x) _ENUM_M146(m,d,__VA_ARGS__)
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#define _ENUM_M148(m,d,x,...) _ENUM_A(m,d,147,x) _ENUM_M147(m,d,__VA_ARGS__)
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#define _ENUM_M149(m,d,x,...) _ENUM_A(m,d,148,x) _ENUM_M148(m,d,__VA_ARGS__)
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#define _ENUM_M150(m,d,x,...) _ENUM_A(m,d,149,x) _ENUM_M149(m,d,__VA_ARGS__)
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#define _ENUM_M151(m,d,x,...) _ENUM_A(m,d,150,x) _ENUM_M150(m,d,__VA_ARGS__)
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#define _ENUM_M152(m,d,x,...) _ENUM_A(m,d,151,x) _ENUM_M151(m,d,__VA_ARGS__)
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#define _ENUM_M153(m,d,x,...) _ENUM_A(m,d,152,x) _ENUM_M152(m,d,__VA_ARGS__)
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#define _ENUM_M154(m,d,x,...) _ENUM_A(m,d,153,x) _ENUM_M153(m,d,__VA_ARGS__)
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#define _ENUM_M155(m,d,x,...) _ENUM_A(m,d,154,x) _ENUM_M154(m,d,__VA_ARGS__)
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#define _ENUM_M156(m,d,x,...) _ENUM_A(m,d,155,x) _ENUM_M155(m,d,__VA_ARGS__)
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#define _ENUM_M157(m,d,x,...) _ENUM_A(m,d,156,x) _ENUM_M156(m,d,__VA_ARGS__)
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#define _ENUM_M158(m,d,x,...) _ENUM_A(m,d,157,x) _ENUM_M157(m,d,__VA_ARGS__)
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#define _ENUM_M159(m,d,x,...) _ENUM_A(m,d,158,x) _ENUM_M158(m,d,__VA_ARGS__)
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#define _ENUM_M160(m,d,x,...) _ENUM_A(m,d,159,x) _ENUM_M159(m,d,__VA_ARGS__)
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#define _ENUM_M161(m,d,x,...) _ENUM_A(m,d,160,x) _ENUM_M160(m,d,__VA_ARGS__)
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#define _ENUM_M162(m,d,x,...) _ENUM_A(m,d,161,x) _ENUM_M161(m,d,__VA_ARGS__)
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#define _ENUM_M163(m,d,x,...) _ENUM_A(m,d,162,x) _ENUM_M162(m,d,__VA_ARGS__)
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#define _ENUM_M164(m,d,x,...) _ENUM_A(m,d,163,x) _ENUM_M163(m,d,__VA_ARGS__)
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#define _ENUM_M165(m,d,x,...) _ENUM_A(m,d,164,x) _ENUM_M164(m,d,__VA_ARGS__)
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#define _ENUM_M166(m,d,x,...) _ENUM_A(m,d,165,x) _ENUM_M165(m,d,__VA_ARGS__)
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#define _ENUM_M167(m,d,x,...) _ENUM_A(m,d,166,x) _ENUM_M166(m,d,__VA_ARGS__)
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#define _ENUM_M168(m,d,x,...) _ENUM_A(m,d,167,x) _ENUM_M167(m,d,__VA_ARGS__)
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#define _ENUM_M169(m,d,x,...) _ENUM_A(m,d,168,x) _ENUM_M168(m,d,__VA_ARGS__)
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#define _ENUM_M170(m,d,x,...) _ENUM_A(m,d,169,x) _ENUM_M169(m,d,__VA_ARGS__)
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#define _ENUM_M171(m,d,x,...) _ENUM_A(m,d,170,x) _ENUM_M170(m,d,__VA_ARGS__)
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#define _ENUM_M172(m,d,x,...) _ENUM_A(m,d,171,x) _ENUM_M171(m,d,__VA_ARGS__)
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#define _ENUM_M173(m,d,x,...) _ENUM_A(m,d,172,x) _ENUM_M172(m,d,__VA_ARGS__)
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#define _ENUM_M174(m,d,x,...) _ENUM_A(m,d,173,x) _ENUM_M173(m,d,__VA_ARGS__)
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#define _ENUM_M175(m,d,x,...) _ENUM_A(m,d,174,x) _ENUM_M174(m,d,__VA_ARGS__)
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#define _ENUM_M176(m,d,x,...) _ENUM_A(m,d,175,x) _ENUM_M175(m,d,__VA_ARGS__)
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#define _ENUM_M177(m,d,x,...) _ENUM_A(m,d,176,x) _ENUM_M176(m,d,__VA_ARGS__)
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#define _ENUM_M178(m,d,x,...) _ENUM_A(m,d,177,x) _ENUM_M177(m,d,__VA_ARGS__)
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#define _ENUM_M179(m,d,x,...) _ENUM_A(m,d,178,x) _ENUM_M178(m,d,__VA_ARGS__)
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#define _ENUM_M180(m,d,x,...) _ENUM_A(m,d,179,x) _ENUM_M179(m,d,__VA_ARGS__)
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#define _ENUM_M181(m,d,x,...) _ENUM_A(m,d,180,x) _ENUM_M180(m,d,__VA_ARGS__)
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#define _ENUM_M182(m,d,x,...) _ENUM_A(m,d,181,x) _ENUM_M181(m,d,__VA_ARGS__)
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#define _ENUM_M183(m,d,x,...) _ENUM_A(m,d,182,x) _ENUM_M182(m,d,__VA_ARGS__)
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#define _ENUM_M184(m,d,x,...) _ENUM_A(m,d,183,x) _ENUM_M183(m,d,__VA_ARGS__)
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#define _ENUM_M185(m,d,x,...) _ENUM_A(m,d,184,x) _ENUM_M184(m,d,__VA_ARGS__)
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#define _ENUM_M186(m,d,x,...) _ENUM_A(m,d,185,x) _ENUM_M185(m,d,__VA_ARGS__)
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#define _ENUM_M187(m,d,x,...) _ENUM_A(m,d,186,x) _ENUM_M186(m,d,__VA_ARGS__)
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#define _ENUM_M188(m,d,x,...) _ENUM_A(m,d,187,x) _ENUM_M187(m,d,__VA_ARGS__)
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#define _ENUM_M189(m,d,x,...) _ENUM_A(m,d,188,x) _ENUM_M188(m,d,__VA_ARGS__)
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#define _ENUM_M190(m,d,x,...) _ENUM_A(m,d,189,x) _ENUM_M189(m,d,__VA_ARGS__)
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#define _ENUM_M191(m,d,x,...) _ENUM_A(m,d,190,x) _ENUM_M190(m,d,__VA_ARGS__)
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#define _ENUM_M192(m,d,x,...) _ENUM_A(m,d,191,x) _ENUM_M191(m,d,__VA_ARGS__)
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#define _ENUM_M193(m,d,x,...) _ENUM_A(m,d,192,x) _ENUM_M192(m,d,__VA_ARGS__)
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#define _ENUM_M194(m,d,x,...) _ENUM_A(m,d,193,x) _ENUM_M193(m,d,__VA_ARGS__)
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#define _ENUM_M195(m,d,x,...) _ENUM_A(m,d,194,x) _ENUM_M194(m,d,__VA_ARGS__)
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#define _ENUM_M196(m,d,x,...) _ENUM_A(m,d,195,x) _ENUM_M195(m,d,__VA_ARGS__)
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#define _ENUM_M197(m,d,x,...) _ENUM_A(m,d,196,x) _ENUM_M196(m,d,__VA_ARGS__)
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#define _ENUM_M198(m,d,x,...) _ENUM_A(m,d,197,x) _ENUM_M197(m,d,__VA_ARGS__)
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#define _ENUM_M199(m,d,x,...) _ENUM_A(m,d,198,x) _ENUM_M198(m,d,__VA_ARGS__)
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#define _ENUM_M200(m,d,x,...) _ENUM_A(m,d,199,x) _ENUM_M199(m,d,__VA_ARGS__)
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#define _ENUM_M201(m,d,x,...) _ENUM_A(m,d,200,x) _ENUM_M200(m,d,__VA_ARGS__)
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#define _ENUM_M202(m,d,x,...) _ENUM_A(m,d,201,x) _ENUM_M201(m,d,__VA_ARGS__)
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#define _ENUM_M203(m,d,x,...) _ENUM_A(m,d,202,x) _ENUM_M202(m,d,__VA_ARGS__)
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#define _ENUM_M204(m,d,x,...) _ENUM_A(m,d,203,x) _ENUM_M203(m,d,__VA_ARGS__)
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#define _ENUM_M205(m,d,x,...) _ENUM_A(m,d,204,x) _ENUM_M204(m,d,__VA_ARGS__)
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#define _ENUM_M206(m,d,x,...) _ENUM_A(m,d,205,x) _ENUM_M205(m,d,__VA_ARGS__)
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#define _ENUM_M207(m,d,x,...) _ENUM_A(m,d,206,x) _ENUM_M206(m,d,__VA_ARGS__)
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#define _ENUM_M208(m,d,x,...) _ENUM_A(m,d,207,x) _ENUM_M207(m,d,__VA_ARGS__)
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#define _ENUM_M209(m,d,x,...) _ENUM_A(m,d,208,x) _ENUM_M208(m,d,__VA_ARGS__)
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#define _ENUM_M210(m,d,x,...) _ENUM_A(m,d,209,x) _ENUM_M209(m,d,__VA_ARGS__)
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#define _ENUM_M211(m,d,x,...) _ENUM_A(m,d,210,x) _ENUM_M210(m,d,__VA_ARGS__)
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#define _ENUM_M212(m,d,x,...) _ENUM_A(m,d,211,x) _ENUM_M211(m,d,__VA_ARGS__)
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#define _ENUM_M213(m,d,x,...) _ENUM_A(m,d,212,x) _ENUM_M212(m,d,__VA_ARGS__)
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#define _ENUM_M214(m,d,x,...) _ENUM_A(m,d,213,x) _ENUM_M213(m,d,__VA_ARGS__)
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#define _ENUM_M215(m,d,x,...) _ENUM_A(m,d,214,x) _ENUM_M214(m,d,__VA_ARGS__)
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#define _ENUM_M216(m,d,x,...) _ENUM_A(m,d,215,x) _ENUM_M215(m,d,__VA_ARGS__)
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#define _ENUM_M217(m,d,x,...) _ENUM_A(m,d,216,x) _ENUM_M216(m,d,__VA_ARGS__)
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#define _ENUM_M218(m,d,x,...) _ENUM_A(m,d,217,x) _ENUM_M217(m,d,__VA_ARGS__)
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#define _ENUM_M219(m,d,x,...) _ENUM_A(m,d,218,x) _ENUM_M218(m,d,__VA_ARGS__)
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#define _ENUM_M220(m,d,x,...) _ENUM_A(m,d,219,x) _ENUM_M219(m,d,__VA_ARGS__)
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#define _ENUM_M221(m,d,x,...) _ENUM_A(m,d,220,x) _ENUM_M220(m,d,__VA_ARGS__)
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#define _ENUM_M222(m,d,x,...) _ENUM_A(m,d,221,x) _ENUM_M221(m,d,__VA_ARGS__)
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#define _ENUM_M223(m,d,x,...) _ENUM_A(m,d,222,x) _ENUM_M222(m,d,__VA_ARGS__)
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#define _ENUM_M224(m,d,x,...) _ENUM_A(m,d,223,x) _ENUM_M223(m,d,__VA_ARGS__)
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#define _ENUM_M225(m,d,x,...) _ENUM_A(m,d,224,x) _ENUM_M224(m,d,__VA_ARGS__)
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#define _ENUM_M226(m,d,x,...) _ENUM_A(m,d,225,x) _ENUM_M225(m,d,__VA_ARGS__)
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#define _ENUM_M227(m,d,x,...) _ENUM_A(m,d,226,x) _ENUM_M226(m,d,__VA_ARGS__)
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#define _ENUM_M228(m,d,x,...) _ENUM_A(m,d,227,x) _ENUM_M227(m,d,__VA_ARGS__)
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#define _ENUM_M229(m,d,x,...) _ENUM_A(m,d,228,x) _ENUM_M228(m,d,__VA_ARGS__)
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#define _ENUM_M230(m,d,x,...) _ENUM_A(m,d,229,x) _ENUM_M229(m,d,__VA_ARGS__)
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#define _ENUM_M231(m,d,x,...) _ENUM_A(m,d,230,x) _ENUM_M230(m,d,__VA_ARGS__)
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#define _ENUM_M232(m,d,x,...) _ENUM_A(m,d,231,x) _ENUM_M231(m,d,__VA_ARGS__)
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#define _ENUM_M233(m,d,x,...) _ENUM_A(m,d,232,x) _ENUM_M232(m,d,__VA_ARGS__)
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#define _ENUM_M234(m,d,x,...) _ENUM_A(m,d,233,x) _ENUM_M233(m,d,__VA_ARGS__)
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#define _ENUM_M235(m,d,x,...) _ENUM_A(m,d,234,x) _ENUM_M234(m,d,__VA_ARGS__)
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#define _ENUM_M236(m,d,x,...) _ENUM_A(m,d,235,x) _ENUM_M235(m,d,__VA_ARGS__)
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#define _ENUM_M237(m,d,x,...) _ENUM_A(m,d,236,x) _ENUM_M236(m,d,__VA_ARGS__)
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#define _ENUM_M238(m,d,x,...) _ENUM_A(m,d,237,x) _ENUM_M237(m,d,__VA_ARGS__)
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#define _ENUM_M239(m,d,x,...) _ENUM_A(m,d,238,x) _ENUM_M238(m,d,__VA_ARGS__)
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#define _ENUM_M240(m,d,x,...) _ENUM_A(m,d,239,x) _ENUM_M239(m,d,__VA_ARGS__)
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#define _ENUM_M241(m,d,x,...) _ENUM_A(m,d,240,x) _ENUM_M240(m,d,__VA_ARGS__)
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#define _ENUM_M242(m,d,x,...) _ENUM_A(m,d,241,x) _ENUM_M241(m,d,__VA_ARGS__)
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#define _ENUM_M243(m,d,x,...) _ENUM_A(m,d,242,x) _ENUM_M242(m,d,__VA_ARGS__)
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#define _ENUM_M244(m,d,x,...) _ENUM_A(m,d,243,x) _ENUM_M243(m,d,__VA_ARGS__)
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#define _ENUM_M245(m,d,x,...) _ENUM_A(m,d,244,x) _ENUM_M244(m,d,__VA_ARGS__)
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#define _ENUM_M246(m,d,x,...) _ENUM_A(m,d,245,x) _ENUM_M245(m,d,__VA_ARGS__)
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#define _ENUM_M247(m,d,x,...) _ENUM_A(m,d,246,x) _ENUM_M246(m,d,__VA_ARGS__)
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#define _ENUM_M248(m,d,x,...) _ENUM_A(m,d,247,x) _ENUM_M247(m,d,__VA_ARGS__)
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#define _ENUM_M249(m,d,x,...) _ENUM_A(m,d,248,x) _ENUM_M248(m,d,__VA_ARGS__)
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#define _ENUM_M250(m,d,x,...) _ENUM_A(m,d,249,x) _ENUM_M249(m,d,__VA_ARGS__)
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#define _ENUM_M251(m,d,x,...) _ENUM_A(m,d,250,x) _ENUM_M250(m,d,__VA_ARGS__)
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#define _ENUM_M252(m,d,x,...) _ENUM_A(m,d,251,x) _ENUM_M251(m,d,__VA_ARGS__)
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#define _ENUM_M253(m,d,x,...) _ENUM_A(m,d,252,x) _ENUM_M252(m,d,__VA_ARGS__)
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#define _ENUM_M254(m,d,x,...) _ENUM_A(m,d,253,x) _ENUM_M253(m,d,__VA_ARGS__)
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#define _ENUM_M255(m,d,x,...) _ENUM_A(m,d,254,x) _ENUM_M254(m,d,__VA_ARGS__)
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#define _ENUM_M256(m,d,x,...) _ENUM_A(m,d,255,x) _ENUM_M255(m,d,__VA_ARGS__)
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#define _ENUM_PP_COUNT_IMPL(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, \
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_13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, \
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_28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, \
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|
_43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, \
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_58, _59, _60, _61, _62, _63, _64, _65, _66, _67, _68, _69, _70, _71, _72, \
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|
_73, _74, _75, _76, _77, _78, _79, _80, _81, _82, _83, _84, _85, _86, _87, \
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_88, _89, _90, _91, _92, _93, _94, _95, _96, _97, _98, _99, _100, _101, \
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_102, _103, _104, _105, _106, _107, _108, _109, _110, _111, _112, _113, \
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|
_114, _115, _116, _117, _118, _119, _120, _121, _122, _123, _124, _125, \
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_126, _127, _128, _129, _130, _131, _132, _133, _134, _135, _136, _137, \
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_138, _139, _140, _141, _142, _143, _144, _145, _146, _147, _148, _149, \
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_150, _151, _152, _153, _154, _155, _156, _157, _158, _159, _160, _161, \
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_162, _163, _164, _165, _166, _167, _168, _169, _170, _171, _172, _173, \
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_174, _175, _176, _177, _178, _179, _180, _181, _182, _183, _184, _185, \
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_186, _187, _188, _189, _190, _191, _192, _193, _194, _195, _196, _197, \
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_198, _199, _200, _201, _202, _203, _204, _205, _206, _207, _208, _209, \
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_210, _211, _212, _213, _214, _215, _216, _217, _218, _219, _220, _221, \
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_222, _223, _224, _225, _226, _227, _228, _229, _230, _231, _232, _233, \
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_234, _235, _236, _237, _238, _239, _240, _241, _242, _243, _244, _245, \
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_246, _247, _248, _249, _250, _251, _252, _253, _254, _255, _256, count, \
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...) count
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#define _ENUM_PP_COUNT(...) _ENUM_PP_COUNT_IMPL(__VA_ARGS__, 256, 255, 254, \
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253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242, 241, 240, 239, \
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238, 237, 236, 235, 234, 233, 232, 231, 230, 229, 228, 227, 226, 225, 224, \
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|
223, 222, 221, 220, 219, 218, 217, 216, 215, 214, 213, 212, 211, 210, 209, \
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|
208, 207, 206, 205, 204, 203, 202, 201, 200, 199, 198, 197, 196, 195, 194, \
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|
193, 192, 191, 190, 189, 188, 187, 186, 185, 184, 183, 182, 181, 180, 179, \
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|
178, 177, 176, 175, 174, 173, 172, 171, 170, 169, 168, 167, 166, 165, 164, \
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|
163, 162, 161, 160, 159, 158, 157, 156, 155, 154, 153, 152, 151, 150, 149, \
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|
148, 147, 146, 145, 144, 143, 142, 141, 140, 139, 138, 137, 136, 135, 134, \
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|
133, 132, 131, 130, 129, 128, 127, 126, 125, 124, 123, 122, 121, 120, 119, \
|
|
118, 117, 116, 115, 114, 113, 112, 111, 110, 109, 108, 107, 106, 105, 104, \
|
|
103, 102, 101, 100, 99, 98, 97, 96, 95, 94, 93, 92, 91, 90, 89, 88, 87, 86,\
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|
85, 84, 83, 82, 81, 80, 79, 78, 77, 76, 75, 74, 73, 72, 71, 70, 69, 68, 67,\
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|
66, 65, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48,\
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|
47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29,\
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|
28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10,\
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9, 8, 7, 6, 5, 4, 3, 2, 1)
|
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|
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#define _ENUM_ITERATE(X, f, l) X(f, l, 0) X(f, l, 1) X(f, l, 2) X(f, l, 3) \
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X(f, l, 4) X(f, l, 5) X(f, l, 6) X(f, l, 7) X(f, l, 8) X(f, l, 9) \
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|
X(f, l, 10) X(f, l, 11) X(f, l, 12) X(f, l, 13) X(f, l, 14) X(f, l, 15) \
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X(f, l, 16) X(f, l, 17) X(f, l, 18) X(f, l, 19) X(f, l, 20) X(f, l, 21) \
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X(f, l, 22) X(f, l, 23)
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#endif // #ifdef BETTER_ENUMS_MACRO_FILE
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namespace _enum {
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template <typename Element>
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struct _Iterable {
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using iterator = const Element*;
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constexpr iterator begin() const { return iterator(_array); }
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constexpr iterator end() const { return iterator(_array + _size); }
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constexpr size_t size() const { return _size; }
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constexpr const Element& operator [](size_t index) const
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{ return _array[index]; }
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constexpr _Iterable(const Element *array, size_t size) :
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_array(array), _size(size) { };
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private:
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const Element * const _array;
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const size_t _size;
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};
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template <typename EnumType>
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struct _eat_assign {
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explicit constexpr _eat_assign(EnumType value) : _value(value) { }
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template <typename Any>
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constexpr EnumType operator =(Any dummy) const
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{ return _value; }
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constexpr operator EnumType () const { return _value; }
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private:
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EnumType _value;
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};
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#define _ENUM_NAME_ENDERS "= \t\n"
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constexpr bool _endsName(char c, size_t index = 0)
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{
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return
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// First, test whether c is equal to the current character in
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// _ENUM_NAME_ENDERS. In the case where c is the null terminator, this
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// will cause _endsName to return true when it has exhausted
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// _ENUM_NAME_ENDERS.
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c == _ENUM_NAME_ENDERS[index] ? true :
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// If _ENUM_NAME_ENDERS has been exhausted and c never matched, return
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// false.
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_ENUM_NAME_ENDERS[index] == '\0' ? false :
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// Otherwise, go on to the next character in _ENUM_ENDERS.
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_endsName(c, index + 1);
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}
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constexpr bool _hasExplicitValue(const char *s, size_t index = 0)
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{
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return
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s[index] == '\0' ? false :
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s[index] == '=' ? true :
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_hasExplicitValue(s, index + 1);
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}
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constexpr size_t _constantLength(const char *s, size_t index = 0)
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{
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return _endsName(s[index]) ? index : _constantLength(s, index + 1);
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}
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constexpr char _select(const char *from, size_t from_length, size_t index)
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{
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return index >= from_length ? '\0' : from[index];
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}
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constexpr char _toLowercaseAscii(char c)
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{
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return c >= 0x41 && c <= 0x5A ? c + 0x20 : c;
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}
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constexpr bool _namesMatch(const char *stringizedName,
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const char *referenceName,
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size_t index = 0)
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{
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return
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// If the current character in the stringized name is a name ender,
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// return true if the reference name ends as well, and false otherwise.
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_endsName(stringizedName[index]) ? referenceName[index] == '\0' :
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// The current character in the stringized name is not a name ender. If
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// the reference name ended, then it is too short, so return false.
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referenceName[index] == '\0' ? false :
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// Neither name has ended. If the two current characters don't match,
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// return false.
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stringizedName[index] !=
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referenceName[index] ? false :
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// Otherwise, if the characters match, continue by comparing the rest of
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// the names.
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_namesMatch(stringizedName, referenceName, index + 1);
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}
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constexpr bool _namesMatchNocase(const char *stringizedName,
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const char *referenceName,
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size_t index = 0)
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{
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return
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_endsName(stringizedName[index]) ? referenceName[index] == '\0' :
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referenceName[index] == '\0' ? false :
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_toLowercaseAscii(stringizedName[index]) !=
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_toLowercaseAscii(referenceName[index]) ? false :
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_namesMatchNocase(stringizedName, referenceName, index + 1);
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}
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} // namespace _enum
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#define _ENUM_EAT_ASSIGN_SINGLE(EnumType, index, expression) \
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((_enum::_eat_assign<EnumType>)_Base::expression),
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#define _ENUM_EAT_ASSIGN(EnumType, ...) \
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_ENUM_PP_MAP(_ENUM_EAT_ASSIGN_SINGLE, EnumType, __VA_ARGS__)
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#define _ENUM_SELECT_SINGLE_CHARACTER(from, from_length, index) \
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_select(from, from_length, index),
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#define _ENUM_SELECT_CHARACTERS(from, from_length) \
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_ENUM_ITERATE(_ENUM_SELECT_SINGLE_CHARACTER, from, from_length)
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#define _ENUM_TRIM_SINGLE_STRING(ignored, index, expression) \
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constexpr size_t _length_ ## index = _constantLength(#expression); \
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constexpr const char _trimmed_ ## index [] = \
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{ _ENUM_SELECT_CHARACTERS(#expression, _length_ ## index) }; \
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constexpr const char *_final_ ## index = \
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_hasExplicitValue(#expression) ? _trimmed_ ## index : #expression;
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#define _ENUM_TRIM_STRINGS(...) \
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_ENUM_PP_MAP(_ENUM_TRIM_SINGLE_STRING, ignored, __VA_ARGS__)
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#define _ENUM_REFER_TO_SINGLE_STRING(ignored, index, expression) \
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_final_ ## index,
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#define _ENUM_REFER_TO_STRINGS(...) \
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_ENUM_PP_MAP(_ENUM_REFER_TO_SINGLE_STRING, ignored, __VA_ARGS__)
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#define _ENUM_DATA(EnumType, Integral, ...) \
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namespace _enum { \
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namespace _data_ ## EnumType { \
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\
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struct _Base { \
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enum _Enumerated : Integral { __VA_ARGS__ }; \
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\
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_Base() = delete; \
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constexpr _Base(_Enumerated value) : _value(value) { } \
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\
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constexpr bool operator ==(const _Base &other) const \
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{ return _value == other._value; } \
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constexpr bool operator ==(_Enumerated value) const \
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{ return _value == value; } \
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constexpr bool operator !=(const _Base &other) const \
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{ return !(*this == other); } \
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constexpr bool operator !=(_Enumerated value) const \
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{ return !(*this == value); } \
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constexpr bool operator <(const _Base &other) const \
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{ return _value < other._value; } \
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constexpr bool operator <(_Enumerated value) const \
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{ return _value < value; } \
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constexpr bool operator <=(const _Base &other) const \
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{ return _value <= other._value; } \
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constexpr bool operator <=(_Enumerated value) const \
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{ return _value <= value; } \
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constexpr bool operator >(const _Base &other) const \
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{ return _value > other._value; } \
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constexpr bool operator >(_Enumerated value) const \
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{ return _value > value; } \
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constexpr bool operator >=(const _Base &other) const \
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{ return _value >= other._value; } \
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constexpr bool operator >=(_Enumerated value) const \
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{ return _value >= value; } \
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\
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_Enumerated _value; \
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}; \
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\
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enum { __VA_ARGS__ }; \
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\
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constexpr const _Base _value_array[] = \
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{ _ENUM_EAT_ASSIGN(_Base, __VA_ARGS__) }; \
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\
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constexpr const size_t _size = \
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sizeof(_value_array) / sizeof(_Base::_Enumerated); \
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\
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static_assert(_size > 0, "no constants defined in enum type"); \
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\
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_ENUM_TRIM_STRINGS(__VA_ARGS__); \
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\
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constexpr const char * const _name_array[] = \
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{ _ENUM_REFER_TO_STRINGS(__VA_ARGS__) }; \
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\
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constexpr const _Iterable<_Base> _values{_value_array, _size}; \
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constexpr const _Iterable<const char*> _names{_name_array, _size}; \
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\
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} \
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}
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#define _ENUM_NS(EnumType) _enum::_data_ ## EnumType
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#define _ENUM_NOT_FOUND ((size_t)-1)
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#ifndef BETTER_ENUMS_SAFER_SWITCH
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#define _ENUM_CONVERSION_FOR_SWITCH(Integral, ...) \
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constexpr operator _Enumerated() const { return _value; }
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#else
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#define _ENUM_CONVERSION_FOR_SWITCH(Integral, ...) \
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enum class _Case : Integral { __VA_ARGS__ }; \
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constexpr operator _Case() const { return (_Case)_value; }
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#endif // #ifndef BETTER_ENUMS_SAFER_SWITCH
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#define _ENUM_TYPE(EnumType, Integral, ...) \
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class EnumType : public _ENUM_NS(EnumType)::_Base { \
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protected: \
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constexpr static auto _value_array = _ENUM_NS(EnumType)::_value_array; \
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constexpr static auto _name_array = _ENUM_NS(EnumType)::_name_array; \
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\
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public: \
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using _Integral = Integral; \
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\
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constexpr static const char *_name = #EnumType; \
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constexpr static const size_t _size = _ENUM_NS(EnumType)::_size; \
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\
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EnumType() = delete; \
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constexpr EnumType(_Enumerated value) : _Base(value) { } \
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constexpr EnumType(_ENUM_NS(EnumType)::_Base value) : _Base(value) { } \
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\
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constexpr _Integral to_integral() const \
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{ \
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return _value; \
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} \
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\
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constexpr static const EnumType _from_integral(_Integral value) \
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{ \
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return _value_array[_from_int_loop(value, true)]; \
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} \
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\
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constexpr static const EnumType _from_integral_unchecked(_Integral value) \
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{ \
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return (_Enumerated)value; \
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} \
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\
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constexpr const char* to_string() const \
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{ \
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return _name_array[_from_int_loop(_value, true)]; \
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} \
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\
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constexpr static const EnumType _from_string(const char *name) \
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{ \
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return _value_array[_from_string_loop(name, true)]; \
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} \
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\
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constexpr static const EnumType _from_string_nocase(const char *name) \
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{ \
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return _value_array[_from_string_nocase_loop(name, true)]; \
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} \
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\
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constexpr static bool _is_valid(_Integral value) \
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{ \
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return _from_int_loop(value, false) != _ENUM_NOT_FOUND; \
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} \
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\
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constexpr static bool _is_valid(const char *name) \
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{ \
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return _from_string_loop(name, false) != _ENUM_NOT_FOUND; \
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} \
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\
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constexpr static bool _is_valid_nocase(const char *name) \
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{ \
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return _from_string_nocase_loop(name, false) != _ENUM_NOT_FOUND; \
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} \
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\
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_ENUM_CONVERSION_FOR_SWITCH(Integral, __VA_ARGS__); \
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\
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constexpr static auto &_values = _ENUM_NS(EnumType)::_values; \
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constexpr static auto &_names = _ENUM_NS(EnumType)::_names; \
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\
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protected: \
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constexpr static size_t _from_int_loop(_Integral value, \
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bool throw_exception, \
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size_t index = 0) \
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{ \
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return \
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index == _size ? \
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(throw_exception ? \
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throw std::runtime_error( \
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"Enum::_from_integral: invalid integer value") : \
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_ENUM_NOT_FOUND) : \
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_value_array[index]._value == value ? index : \
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_from_int_loop(value, throw_exception, index + 1); \
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} \
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\
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constexpr static size_t _from_string_loop(const char *name, \
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bool throw_exception, \
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size_t index = 0) \
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{ \
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return \
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index == _size ? \
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(throw_exception ? \
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throw std::runtime_error( \
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"Enum::_from_string: invalid string argument") : \
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_ENUM_NOT_FOUND) : \
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_enum::_namesMatch(_name_array[index], name) ? index : \
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_from_string_loop(name, throw_exception, index + 1); \
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} \
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\
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constexpr static size_t _from_string_nocase_loop(const char *name, \
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bool throw_exception, \
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size_t index = 0) \
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{ \
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return \
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index == _size ? \
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(throw_exception ? \
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throw std::runtime_error( \
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"Enum::_from_string_nocase: invalid string argument") :\
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_ENUM_NOT_FOUND) : \
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_enum::_namesMatchNocase(_name_array[index], name) ? index : \
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_from_string_nocase_loop(name, throw_exception, index + 1); \
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} \
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};
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#define _ENUM_GLOBALS(EnumType) \
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constexpr const EnumType operator +(EnumType::_Enumerated enumerated) \
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{ return (EnumType)enumerated; } \
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\
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namespace _enum { \
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namespace _data_ ## EnumType { \
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\
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constexpr const EnumType operator +(_ENUM_NS(EnumType)::_Base base) \
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{ return (EnumType)base; } \
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\
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} \
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}
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#define ENUM(EnumType, Integral, ...) \
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_ENUM_DATA(EnumType, Integral, __VA_ARGS__); \
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_ENUM_TYPE(EnumType, Integral, __VA_ARGS__); \
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_ENUM_GLOBALS(EnumType);
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#endif // #ifndef _BETTER_ENUMS_ENUM_H_
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