scope_exit.h

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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef INKSCAPE_UTIL_SCOPE_EXIT_H
#define INKSCAPE_UTIL_SCOPE_EXIT_H
 
#include <type_traits>
#include <utility>
 
// Todo: (C++23?) Replace with now-standardised version.
template <typename F>
class scope_exit
{
public:
    scope_exit(F &&f) : f(std::forward<F>(f)) {}
    scope_exit(scope_exit const &) = delete;
    scope_exit &operator=(scope_exit const &) = delete;
    ~scope_exit() { f(); }
 
private:
    std::decay_t<F> f;
};
 
#endif // INKSCAPE_UTIL_SCOPE_EXIT_H