std::experimental::source_location::function_name

From cppreference.com
constexpr const char* function_name() const noexcept;
(library fundamentals TS v2)

Returns the name of the function associated with the position represented by this object, if any.

Parameters

(none)

Return value

If this object represents a position in a body of a function, returns an implementation-defined null-terminated byte string corresponding to the name of the function.

Otherwise, an empty string is returned.

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 file name represented by this object
(public member function)