third_party/nix/src/libutil/finally.hh


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#pragma once

#include <functional>

/* A trivial class to run a function at the end of a scope. */
class Finally {
 private:
  std::function<void()> fun;

 public:
  explicit Finally(std::function<void()> fun) : fun(fun) {}
  ~Finally() { fun(); }
};