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std::lock_guard<Mutex>:: ~lock_guard

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std::lock_guard
Member functions
lock_guard::~lock_guard
~lock_guard ( ) ;
(C++11以降)

所有されているミューテックスの所有権を解放します。

lock_guard のコンストラクタに渡されたミューテックス m に対して、 m. unlock ( ) を効果的に呼び出します。