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std::source...n::file_name(3) C++ Standard Libarystd::source...n::file_name(3) NAME std::source_location::file_name - std::source_location::file_name Synopsis constexpr const char* file_name() const noexcept; (since C++20) Returns the name of the current source file represented by this ob- ject, represented as a null-terminated byte string. Parameters (none) Return value The name of the current source file represented by this object, rep- resented as a null-terminated byte string. Example // Run this code #include <iostream> #include <source_location> 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: File: cppreference.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 object, if any (public member function) gets the name of the source file that lexically con- tains the source_file expression or statement whose evaluation is repre- sented by the (C++23) stacktrace_entry (public member function of std::stacktrace_entry) Filename and line information http://cppreference.com 2022.07.31 std::source...n::file_name(3)
NAME | Synopsis | Parameters | Return value | Example | Output: | See also
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