1
0
mirror of https://github.com/vcmi/vcmi.git synced 2025-07-05 00:49:09 +02:00
Files
vcmi/lib/ScopeGuard.h
2017-07-20 02:50:47 +03:00

47 lines
754 B
C++

/*
* ScopeGuard.h, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#pragma once
namespace vstd
{
template<typename Func>
class ScopeGuard
{
bool fire;
Func f;
explicit ScopeGuard(ScopeGuard &);
ScopeGuard & operator=(ScopeGuard &);
public:
ScopeGuard(ScopeGuard && other)
: fire(false), f(other.f)
{
std::swap(fire, other.fire);
}
explicit ScopeGuard(Func && f)
: fire(true), f(std::forward<Func>(f))
{}
~ScopeGuard()
{
f();
}
};
template<typename Func>
ScopeGuard<Func> makeScopeGuard(Func && exitScope)
{
return ScopeGuard<Func>(std::forward<Func>(exitScope));
}
}