Botan::scoped_cleanup< FunT > Class Template Reference

Helper class to create a RAII-style cleanup callback. More...

#include <stl_util.h>

Public Member Functions
void	disengage ()
scoped_cleanup &	operator= (const scoped_cleanup &)=delete
scoped_cleanup &	operator= (scoped_cleanup &&other)
	scoped_cleanup (const scoped_cleanup &)=delete
	scoped_cleanup (FunT cleanup)
	scoped_cleanup (scoped_cleanup &&other)
	~scoped_cleanup ()

Detailed Description

template<std::invocable FunT>
class Botan::scoped_cleanup< FunT >

Helper class to create a RAII-style cleanup callback.

Ensures that the cleanup callback given in the object's constructor is called when the object is destroyed. Use this to ensure some cleanup code runs when leaving the current scope.

Definition at line 354 of file stl_util.h.

Constructor & Destructor Documentation

scoped_cleanup() [1/3]

template<std::invocable FunT>

Botan::scoped_cleanup< FunT >::scoped_cleanup ( FunT cleanup )

inlineexplicit

Definition at line 356 of file stl_util.h.

: m_cleanup(std::move(cleanup)) {}

scoped_cleanup() [2/3]

template<std::invocable FunT>

Botan::scoped_cleanup< FunT >::scoped_cleanup ( const scoped_cleanup< FunT > & )

delete

scoped_cleanup() [3/3]

template<std::invocable FunT>

Botan::scoped_cleanup< FunT >::scoped_cleanup ( scoped_cleanup< FunT > && other )

inline

Definition at line 361 of file stl_util.h.

: m_cleanup(std::move(other.m_cleanup)) { other.disengage(); }

~scoped_cleanup()

template<std::invocable FunT>

Botan::scoped_cleanup< FunT >::~scoped_cleanup ( )

inline

Definition at line 371 of file stl_util.h.

                        {
         if(m_cleanup.has_value()) {
            m_cleanup.value()();
         }
      }

Member Function Documentation

disengage()

template<std::invocable FunT>

void Botan::scoped_cleanup< FunT >::disengage ( )

inline

Disengage the cleanup callback, i.e., prevent it from being called

Definition at line 380 of file stl_util.h.

{ m_cleanup.reset(); }

operator=() [1/2]

template<std::invocable FunT>

scoped_cleanup & Botan::scoped_cleanup< FunT >::operator= ( const scoped_cleanup< FunT > & )

delete

operator=() [2/2]

template<std::invocable FunT>

scoped_cleanup & Botan::scoped_cleanup< FunT >::operator= ( scoped_cleanup< FunT > && other )

inline

Definition at line 363 of file stl_util.h.

                                                        {
         if(this != &other) {
            m_cleanup = std::move(other.m_cleanup);
            other.disengage();
         }
         return *this;
      }

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The documentation for this class was generated from the following file:

• src/lib/utils/stl_util.h