source_location.h

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#pragma once
 
#include <cstdint>
 
#if __cpp_lib_source_location >= 201907L
#define KTL_SOURCE_LOCATION
#include <source_location>
 
#define KTL_SOURCE() std::source_location::current()
#else
#define KTL_SOURCE() {}
#endif
 
namespace ktl
{
#ifdef KTL_SOURCE_LOCATION
    using source_location = std::source_location;
#else
    struct source_location {};
#endif
}