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      std::unordered_map::at

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      C++
       
      Bibliothèque de conteneurs
       
      std::unordered_map
      Les fonctions membres
      Original:
      Member functions
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      unordered_map::unordered_map
      unordered_map::~unordered_map
      unordered_map::operator=
      unordered_map::get_allocator
      Les itérateurs
      Original:
      Iterators
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      unordered_map::begin
      unordered_map::cbegin
      unordered_map::end
      unordered_map::cend
      Capacité
      Original:
      Capacity
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      unordered_map::erase
      unordered_map::size
      unordered_map::max_size
      Modificateurs
      Original:
      Modifiers
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      unordered_map::clear
      unordered_map::insert
      unordered_map::emplace
      unordered_map::emplace_hint
      unordered_map::erase
      unordered_map::swap
      Lookup
      Original:
      Lookup
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      unordered_map::count
      unordered_map::find
      unordered_map::equal_range
      Interface seau
      Original:
      Bucket interface
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      unordered_map::begin2
      unordered_map::end2
      unordered_map::bucket_count
      unordered_map::max_bucket_count
      unordered_map::bucket_size
      unordered_map::bucket
      Politique de hachage
      Original:
      Hash policy
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      unordered_map::load_factor
      unordered_map::max_load_factor
      unordered_map::rehash
      unordered_map::reserve
      Des observateurs
      Original:
      Observers
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      unordered_map::hash_function
      unordered_map::key_eq
       
      T& at(const Key& key );
      		 (1) (depuis C++11)
      const T & at(const Key& key )const;
      		 (2) (depuis C++11)
      Renvoie une référence à la valeur de l'élément mappé avec clé équivalente à key. Si aucun élément n'existe, une exception de type est jeté std::out_of_range .
      Original:
      Returns a reference to the mapped value of the element with key equivalent to key. If no such element exists, an exception of type std::out_of_range is thrown.
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      Sommaire

      [modifier]Paramètres

      key -
      la clé de l'élément à trouver
      Original:
      the key of the element to find
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      [modifier]Retourne la valeur

      La référence à la valeur de l'élément mappé demandée
      Original:
      Reference to the mapped value of the requested element
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      [modifier]Exceptions

      std::out_of_range si le récipient ne possède pas un élément avec la key spécifié
      Original:
      std::out_of_range if the container does not have an element with the specified key
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      [modifier]Complexité

      Average case: constant, worst case: linear in size.

      [modifier]Voir aussi

      		 accède à l'élément spécifié
      (fonction membre publique)[edit]
      Récupérée de « https://fr.cppreference.com/mwiki/index.php?title=cpp/container/unordered_map/at&oldid=47942 »
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