33 lines
803 B
C++
33 lines
803 B
C++
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#pragma once
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namespace fc {
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template<typename Callback>
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class scoped_exit {
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public:
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template<typename C>
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scoped_exit( C&& c ):callback( std::forward<C>(c) ){}
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scoped_exit( scoped_exit&& mv ):callback( std::move( mv.callback ) ){}
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~scoped_exit() {
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try { callback(); } catch( ... ) {}
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}
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scoped_exit& operator = ( scoped_exit&& mv ) {
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callback = std::move(mv);
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return *this;
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}
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private:
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scoped_exit( const scoped_exit& );
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scoped_exit& operator=( const scoped_exit& );
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Callback callback;
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};
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template<typename Callback>
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scoped_exit<Callback> make_scoped_exit( Callback&& c ) {
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return scoped_exit<Callback>( std::forward<Callback>(c) );
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}
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}
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