source_location.cpp

#include <etl/source_location.hpp>

// SPDX-License-Identifier: BSL-1.0
 
#include <etl/source_location.hpp>
#include <etl/string_view.hpp>
 
#include <stdio.h>
 
#if defined(__cpp_consteval)
 
static auto log(etl::string_view const message, etl::source_location const location = etl::source_location::current())
    -> void
{
    ::printf(                                     //
        "file: %s(%u:%u) `%s`: %s\n",             //
        location.file_name(),                     //
        static_cast<unsigned>(location.line()),   //
        static_cast<unsigned>(location.column()), //
        location.function_name(),                 //
        message.data()                            //
    );
}
 
template <typename T>
static auto fun(T x) -> void
{
    log(x);
}
 
auto main(int /*argc*/, char const** /*argv*/) -> int
{
    log("Hello world!");
    fun("Hello C++20!");
    return 0;
}
 
#else
auto main() -> int { return 0; }
#endif