scope_cleanup.hpp

#ifndef MRS_LIB_UTILITY_SCOPE_CLEANUP_HPP_
#define MRS_LIB_UTILITY_SCOPE_CLEANUP_HPP_
 
 
#include <functional>
#include <utility>
 
 
namespace mrs_lib
{
 
  template <typename T>
  class ScopeCleanup
  {
  public:
    explicit ScopeCleanup(T f) : cleanup_func_(std::move(f))
    {
    }
 
    ~ScopeCleanup()
    {
      if (enabled_)
      {
        std::invoke(cleanup_func_);
      }
    }
 
    ScopeCleanup(const ScopeCleanup&) = delete;
    ScopeCleanup(ScopeCleanup&&) = delete;
    ScopeCleanup& operator=(const ScopeCleanup&) = delete;
    ScopeCleanup& operator=(ScopeCleanup&&) = delete;
 
    void cancel()
    {
      enabled_ = false;
    }
 
  private:
    T cleanup_func_;
    bool enabled_ = true;
  };
 
} // namespace mrs_lib
 
 
#endif // MRS_LIB_UTILITY_SCOPE_CLEANUP_HPP_