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std::enable_shared_from_this::enable_shared_from_this

提供: cppreference.com

 
 
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日付と時刻
関数オブジェクト
initializer_list(C++11)
bitset
hash(C++11)
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
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Pairs and tuples
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pair
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piecewise_construct(C++11)
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Swap, forward and move
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swap
forward(C++11)
move(C++11)
move_if_noexcept(C++11)
declval(C++11)
 
動的なメモリ管理
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Allocators
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allocator
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Smart pointers
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unique_ptr(C++11)
shared_ptr(C++11)
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owner_less(C++11)
enable_shared_from_this(C++11)
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C Library
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std::enable_shared_from_this
メンバ関数を保護しました
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Protected member functions
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enable_shared_from_this::enable_shared_from_this
enable_shared_from_this::~enable_shared_from_this
enable_shared_from_this::operator=
パブリックメンバ関数
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Public member functions
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enable_shared_from_this::shared_from_this
 
constexpr enable_shared_from_this() noexcept;
(1)
enable_shared_from_this(const enable_shared_from_this<T>&obj) noexcept;
(2)
新しいenable_shared_from_thisオブジェクトを構築します.
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Constructs new enable_shared_from_this object.
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目次

[編集] パラメータ

obj -
コピーするenable_shared_from_this
Original:
an enable_shared_from_this to copy
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[編集] 例外

noexcept specification:  
noexcept
  (C++11およびそれ以降)

[編集]

#include <memory>
 
struct Foo : public std::enable_shared_from_this<Foo> {
    Foo() {}  // implicitly calls enable_shared_from_this constructor
    std::shared_ptr<Foo> getFoo() { return shared_from_this(); }
};
 
int main() {
    std::shared_ptr<Foo> pf1(new Foo);
    auto pf2 = pf1->getFoo();  // shares ownership of object with pf1
}


[編集] も参照してください

smart pointer with shared object ownership semantics
(クラステンプレート) [edit]