ladybird/AK/ScopeGuard.h
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

55 lines
796 B
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/StdLibExtras.h>
namespace AK {
template<typename Callback>
class ScopeGuard {
public:
ScopeGuard(Callback callback)
: m_callback(move(callback))
{
}
~ScopeGuard()
{
m_callback();
}
private:
Callback m_callback;
};
template<typename Callback>
class ArmedScopeGuard {
public:
ArmedScopeGuard(Callback callback)
: m_callback(move(callback))
{
}
~ArmedScopeGuard()
{
if (m_armed)
m_callback();
}
void disarm() { m_armed = false; }
private:
Callback m_callback;
bool m_armed { true };
};
}
using AK::ArmedScopeGuard;
using AK::ScopeGuard;