std::source_location Class Reference

Utility class to emulates std::source_location class introduced in c++20 This class provides information about the source location where it is used. More...

#include <shambase/include/shambase/cxxbackports/source_location.hpp>

Public Member Functions
constexpr unsigned	line () const noexcept
	Returns the line number of the source location.
constexpr unsigned	column () const noexcept
	Returns the column offset of the source location.
constexpr const char *	file_name () const noexcept
	Returns the file name of the source location.
constexpr const char *	function_name () const noexcept
	Returns the function name of the source location.

Static Public Member Functions
static constexpr source_location	current () noexcept
	Returns the source location where this function is called.

Detailed Description

Utility class to emulates std::source_location class introduced in c++20 This class provides information about the source location where it is used.

See also

https://en.cppreference.com/w/cpp/utility/source_location

Example of usage :

void log(const std::source_location location = std::source_location::current()){
    std::cout << "file: "
        << location.file_name() << '('
        << location.line() << ':'
        << location.column() << ") `"
        << location.function_name() << '\n';
}

Definition at line 87 of file source_location.hpp.

Member Function Documentation

column()

std::source_location::column ( ) const

constexprnoexcept

Returns the column offset of the source location.

Returns

The column offset.

current()

std::source_location::current ( )

staticconstexprnoexcept

Returns the source location where this function is called.

Returns

The source location.

file_name()

std::source_location::file_name ( ) const

constexprnoexcept

Returns the file name of the source location.

Returns

The file name.

function_name()

std::source_location::function_name ( ) const

constexprnoexcept

Returns the function name of the source location.

Returns

The function name.

Here is the call graph for this function:

line()

std::source_location::line ( ) const

constexprnoexcept

Returns the line number of the source location.

Returns

The line number.

---

The documentation for this class was generated from the following file:

• shambase/include/shambase/cxxbackports/source_location.hpp