xentara::utils::eh Namespace Reference

Exception and error handling. More...

Classes
class	ExceptionGuard
	A class that detects whether the stack is currently being wound up. More...
class	Failable
	A value that may be replaced by an error code. More...

Functions
auto	currentErrorCode () noexcept -> std::error_code
	Returns an error code for the current exception. More...

Detailed Description

Exception and error handling.

This namespace contains facilities used for error and exception handling.

Function Documentation

currentErrorCode()

auto xentara::utils::eh::currentErrorCode ( ) -> std::error_code

noexcept

Returns an error code for the current exception.

This function returns an error code that describes the current exception, as retuned by std::current_exception(). If the current exception is derived from std::system_error, the corresponding error is returned. Otherwise, a custom error code is returned.

A custom error code is also returned for system errors containing an error code with error number 0.

If there is no current exception, std::error_code() is returned.

Returns

An error code describing the current exception, or std::error_code() for none.

See also

std::current_exception