util.h

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// uvco (c) 2025 Lewin Bormann. See LICENSE for specific terms.
 
#pragma once
 
#include <functional>
 
namespace uvco {

 
class OnExit {
public:
  explicit OnExit(std::function<void()> &&func) : func_{std::move(func)} {}
 
  ~OnExit() {
    if (func_) {
      func_();
    }
  }
 
  // Pin in place
  OnExit(const OnExit &) = delete;
  OnExit(OnExit &&) = delete;
  OnExit &operator=(const OnExit &) = delete;
  OnExit &operator=(OnExit &&) = delete;
 
private:
  std::function<void()> func_;
};

 
} // namespace uvco