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prideout/ScopeExit.cpp

Created December 1, 2015 05:52
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automatically execute code when the scope ends
Raw
ScopeExit.cpp
template <typename F>
struct ScopeExit {
ScopeExit(F f) : f(f) {}
~ScopeExit() { f(); }
F f;
};
template <typename F>
ScopeExit<F> MakeScopeExit(F f) {
return ScopeExit<F>(f);
};
#define SCOPE_EXIT(code) \
auto STRING_JOIN2(scope_exit_, __LINE__) = MakeScopeExit([=](){code;})
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