nix::ManuallyDrop< T > Class Template Reference

#include <manually-drop.hh>

Public Member Functions
	ManuallyDrop (T &&t)
template<typename... Arg>
	ManuallyDrop (std::in_place_t, Arg &&... args)
	ManuallyDrop (ManuallyDrop< T > &&other)
T &	get ()
T &	operator* ()
T *	operator-> ()
T &&	take () &&
void	destroy ()

Detailed Description

template<typename T>
class nix::ManuallyDrop< T >

Analogous to Rust's ManuallyDrop structure. Only is destroyed when you call destroy().

Constructor & Destructor Documentation

ManuallyDrop()

template<typename T>

template<typename... Arg>

nix::ManuallyDrop< T >::ManuallyDrop ( std::in_place_t , Arg &&... args )

inline

Construct a ManuallyDrop in-place

Member Function Documentation

destroy()

template<typename T>

void nix::ManuallyDrop< T >::destroy ( )

inline

Destroy the value. Safe to call multiple times.

get()

template<typename T>

T & nix::ManuallyDrop< T >::get ( )

inline

Gets a reference to the inner T

take()

template<typename T>

T && nix::ManuallyDrop< T >::take ( ) &&

inline

Takes the value out of this object and gives it to you. Must not already be destroyed.

Example:

ManuallyDrop<std::unique_ptr<int>> md{std::in_place_t{}, new int()};
ManuallyDrop<std::unique_ptr<int>> md2{std::move(md).take()};

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

• lix/libutil/manually-drop.hh