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std::experimental::source_location::file_name

From cppreference.com
constexpr const char* file_name() const;
(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, represented as a null-terminated byte string.

Exceptions

noexcept specification:  
noexcept
  

Example

See also

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