JSON_INTEGER_IS_LONG_LONG

If your compiler supports the core.stdc.config.cpp_longlong type and the core.stdc.stdlib.strtoll() library function, JSON_INTEGER_IS_LONG_LONG is defined to true, otherwise to false.

enum JSON_INTEGER_IS_LONG_LONG = (__traits(compiles, core.stdc.config.cpp_longlong)) && (__traits(compiles, core.stdc.stdlib.strtoll));

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