std::source_location::file_name
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< cpp | utility | source location
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source_location::file_name
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.
Contents
[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
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
[edit] See also
gets the name of the source file that lexically contains the expression or statement whose evaluation is represented by the
(public member function of
stacktrace_entry (public member function of
std::stacktrace_entry) [edit]