std::source_location::file_name - cppreference.com (original) (raw)

| constexpr const char* file_name() const noexcept; | | (since C++20) | | --------------------------------------------------- | | ------------- |

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

[edit] Parameters

(none)

[edit] Return value

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

[edit] Example

#include #include   void print_this_file_name( std::source_location location = std::source_location::current()) { // Name of file that contains the call site of this function. std::cout << "File: " << location.file_name() << '\n'; }   int main() { #line 1 "cppreference.cpp" print_this_file_name(); }

Output:

[edit] See also

| | return the line number represented by this object (public member function) [edit] | | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | | return the column number represented by this object (public member function) [edit] | | | return the name of the function represented by this object, if any (public member function) [edit] | | | gets the name of the source file that lexically contains the expression or statement whose evaluation is represented by the stacktrace_entry (public member function of std::stacktrace_entry) [edit] | | Filename and line information |