std::experimental::source_location::file_name

Returns the name of the current source file represented by this object, represented as a null-terminated byte string.

# Declarations

constexpr const char* file_name() const noexcept;

(library fundamentals TS v2)

# Return value

The name of the current source file represented by this object, represented as a null-terminated byte string.

# Example

#include <experimental/source_location>
#include <iostream>
 
inline void print_this_file_name(
    const std::experimental::source_location& location
        = std::experimental::source_location::current())
{
    // Name of file that contains the call-site of this function.
    std::cout << "File: " << location.file_name() << '\n';
}
 
int main()
{
    print_this_file_name();
}

# See also