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std::experi...n::file_name(3)  C++ Standard Libary std::experi...n::file_name(3)

NAME
     std::experimental::source_location::file_name	 -	 std::experimen-
     tal::source_location::file_name

Synopsis
	constexpr const char* file_name() const noexcept;  (library fundamentals
     TS v2)

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

Parameters
	(none)

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

Example
     // Run this code

      #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();
      }

Possible output:
      File: main.cpp

See also
	line	      return the line number represented by this object
		      (public member function)
	column	      return the column number represented by this object
		      (public member function)
	function_name return the name of the function represented  by  this  ob-
     ject, if any
		      (public member function)
	C++ documentation for
	Filename and line information

http://cppreference.com 	   2024.06.10	   std::experi...n::file_name(3)
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