src/dawn/common/Defer.h

// Copyright 2025 The Dawn & Tint Authors
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#ifndef SRC_DAWN_COMMON_DEFER_H_
#define SRC_DAWN_COMMON_DEFER_H_

#include <functional>
#include <vector>

#include "dawn/common/NonCopyable.h"
#include "dawn/common/StackAllocated.h"

namespace dawn {

// Defer object runs series of cleanup functions when it's destructor is called.
class Defer : public NonCopyable, StackAllocated {
  public:
    Defer() = default;
    Defer(Defer&&) = default;
    Defer& operator=(Defer&&) = default;

    ~Defer();

    void Append(std::function<void()> f);

  private:
    std::vector<std::function<void()>> mFuncs;
};

}  // namespace dawn

#endif  // SRC_DAWN_COMMON_DEFER_H_