scope_exit.h

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// -----------------------------------------------------------------------------
//
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception OR LGPL-2.1-or-later
// Copyright (C) 2023 by the deal.II authors
//
// This file is part of the deal.II library.
//
// Detailed license information governing the source code and contributions
// can be found in LICENSE.md and CONTRIBUTING.md at the top level directory.
//
// -----------------------------------------------------------------------------
 
#ifndef dealii_scope_exit_h
#define dealii_scope_exit_h
 
#include <deal.II/base/config.h>
 
#include <functional>
 
 
DEAL_II_NAMESPACE_OPEN
 
class ScopeExit
{
public:
  explicit ScopeExit(const std::function<void()> &exit_function);
 
  ScopeExit(const ScopeExit &) = delete;
 
  ~ScopeExit();
 
  ScopeExit &
  operator=(const ScopeExit &) = delete;
 
private:
  const std::function<void()> exit_function;
};
 
 
 
inline ScopeExit::ScopeExit(const std::function<void()> &exit_function)
  : exit_function(exit_function)
{}
 
 
 
inline ScopeExit::~ScopeExit()
{
  // Actually trigger the stored function
  exit_function();
}
 
 
DEAL_II_NAMESPACE_CLOSE
 
#endif