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Contents
/**
* @file
* Declares the base class for scope exit.
*/
#pragma once
#include <functional>
namespace leatherman { namespace util {
/**
* Used to call a function when scope is exited.
*/
struct scope_exit
{
/**
* Constructs a scope_exit.
*/
scope_exit();
/**
* Constructs a scope_exit.
* @param callback The function to call when scope is exited.
*/
explicit scope_exit(std::function<void()> callback);
/**
* Moves the given scope_exit into this scope_exit.
* @param other The scope_exit to move into this scope_exit.
*/
scope_exit(scope_exit&& other);
/**
* Moves the given scoped_resource into this scoped_resource.
* @param other The scoped_resource to move into this scoped_resource.
* @return Returns this scope_exit.
*/
scope_exit& operator=(scope_exit&& other);
/**
* Destructs a scope_exit.
*/
~scope_exit();
/**
* Invokes the callback.
* If called, the callback will not be called upon destruction.
*/
void invoke();
private:
explicit scope_exit(scope_exit const&) = delete;
scope_exit& operator=(scope_exit const&) = delete;
void* operator new(size_t) = delete;
void operator delete(void*) = delete;
void* operator new[](size_t) = delete;
void operator delete[](void* ptr) = delete;
std::function<void()> _callback;
};
}} // namespace leatherman::util
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16 entries across 16 versions & 2 rubygems