ladybird/AK/Try.h
Andreas Kling cd49f30bea AK+LibJS: Simplify MUST() and move it from LibJS to AK/Try.h
This is generally useful so let's move it to AK. Also it seems that we
don't need the temporary variable hack anymore, so let's lose that.
2021-11-10 21:58:58 +01:00

26 lines
860 B
C

/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
// NOTE: This macro works with any result type that has the expected APIs.
// It's designed with AK::Result and AK::Error in mind.
#define TRY(expression) \
({ \
auto _temporary_result = (expression); \
if (_temporary_result.is_error()) \
return _temporary_result.release_error(); \
_temporary_result.release_value(); \
})
#define MUST(expression) \
({ \
auto _temporary_result = (expression); \
VERIFY(!_temporary_result.is_error()); \
_temporary_result.release_value(); \
})