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@@ -305,9 +305,9 @@ struct BuildIndexSequence<0, Is...> : IndexSequence<Is...> {};
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#endif
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// Macro GD_IS_DEFINED() allows to check if a macro is defined. It needs to be defined to anything (say 1) to work.
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-#define __GDARG_PLACEHOLDER_1 0,
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+#define __GDARG_PLACEHOLDER_1 false,
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#define __gd_take_second_arg(__ignored, val, ...) val
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-#define ____gd_is_defined(arg1_or_junk) __gd_take_second_arg(arg1_or_junk 1, 0)
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+#define ____gd_is_defined(arg1_or_junk) __gd_take_second_arg(arg1_or_junk true, false)
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#define ___gd_is_defined(val) ____gd_is_defined(__GDARG_PLACEHOLDER_##val)
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#define GD_IS_DEFINED(x) ___gd_is_defined(x)
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bitsawer