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      std::return_temporary_buffer

      De cppreference.com
      < cpp‎ | memory

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      C++
       
      Bibliothèque d'utilitaires
       
      La gestion dynamique de la mémoire
      Faible niveau de gestion de la mémoire
      Répartiteurs
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      Allocators
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      allocator
      allocator_traits (C++11)
      allocator_arg_t (C++11)
      allocator_arg (C++11)
      uses_allocator (C++11)
      scoped_allocator_adaptor (C++11)
      Non initialisée stockage
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      Uninitialized storage
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      uninitialized_copy
      uninitialized_copy_n (C++11)
      uninitialized_fill
      uninitialized_fill_n
      raw_storage_iterator
      get_temporary_buffer
      return_temporary_buffer
      Pointeurs intelligents
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      Smart pointers
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      unique_ptr (C++11)
      shared_ptr (C++11)
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      enable_shared_from_this (C++11)
      bad_weak_ptr (C++11)
      default_delete (C++11)
      Soutien garbage collection
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      Garbage collection support
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      declare_reachable (C++11)
      undeclare_reachable (C++11)
      declare_no_pointers (C++11)
      undeclare_no_pointers (C++11)
      pointer_safety (C++11)
      get_pointer_safety (C++11)
      Divers
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      Miscellaneous
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      pointer_traits (C++11)
      addressof (C++11)
      align (C++11)
      Bibliothèque C
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      C Library
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      Déclaré dans l'en-tête <memory>
      template<class T >
      void return_temporary_buffer( T* p )
      Stockage libère précédemment allouée avec std::get_temporary_buffer .
      Original:
      Deallocates storage previously allocated with std::get_temporary_buffer.
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      Sommaire

      [modifier]Paramètres

      p -
      le pointeur renvoyé précédemment par std::get_temporary_buffer
      Original:
      the pointer previously returned by std::get_temporary_buffer
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      [modifier]Retourne la valeur

      (Aucun)
      Original:
      (none)
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      [modifier]Exemple

      [edit]
      #include <algorithm>#include <iostream>#include <memory>#include <string>   int main(){conststd::string s[]={"string", "1", "test", "..."};std::string* p =std::get_temporary_buffer<std::string>(4).first;   std::copy(std::begin(s), std::end(s), std::raw_storage_iterator<std::string*, std::string>(p));   for(std::string* i = p; i != p+4;++i){std::cout<<*i <<'\n'; i->~basic_string<char>();} std::return_temporary_buffer(p);}

      Résultat : 

      string 1 test ...

      [modifier]Voir aussi

      obtient de stockage non initialisée
      Original:
      obtains uninitialized storage
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      (fonction générique)[edit]
      Récupérée de « https://fr.cppreference.com/mwiki/index.php?title=cpp/memory/return_temporary_buffer&oldid=48712 »
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