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      <div class="t-tr-text">C + +: conceitos<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">C++ concepts:</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div> Lockable

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      <metanoindex/>

       
      C++
       
      C + + conceitos
      Basic
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      Basic
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      Biblioteca-Wide
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      Library-Wide
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      Container
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      Container
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      Elementos de contêineres
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      Container Elements
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      Iterator
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      Iterator
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      Números aleatórios
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      Random Numbers
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      Simultaneidade
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      Concurrency
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      (C++11)
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      Outro
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      Other
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      O conceito Lockable estende o conceito de incluir BasicLockable bloqueio tentada.
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      The Lockable concept extends the BasicLockable concept to include attempted locking.
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      Requisitos

      Para L tipo a ser Lockable, ele deve atender a condição acima, bem como o seguinte:
      Original:
      For type L to be Lockable, it must meet the above condition as well as the following:
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      Expression Effects Return value
      m.try_lock() Attempts to acquire the lock for the current execution agent without blocking. If an exception is thrown, no lock is obtained. true if the lock was acquired, false otherwise

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