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      std::negate

      De cppreference.com
      < cpp‎ | utility‎ | functional

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      Operator wrappers
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      Negators
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      Déclaré dans l'en-tête <functional>
      template<class T >
      struct negate;
      Objet fonction pour effectuer la négation. Appelle effectivement operator- sur une instance de T type .
      Original:
      Function object for performing negation. Effectively calls operator- on an instance of type T.
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      Sommaire

      [modifier]Types de membres

      Type d'
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      Type
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      		 Definition
      result_typeT
      argument_typeT

      [modifier]Fonctions membres

      operator()
      renvoie la négation de l'argument
      Original:
      returns the negation of the argument
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      (fonction membre publique)

      std :: :: nier
      Original:
      std::negate::
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      operator()

      T operator()(const T& arg )const;

      Returns the negation of arg.

      Parameters

      arg -
      pour calculer la valeur de négation
      Original:
      value to compute negation of
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      Return value

      The result of -arg.

      Exceptions

      (none)

      Possible implementation

      T operator()(const T &arg)const{return-arg;}
      Récupérée de « https://fr.cppreference.com/mwiki/index.php?title=cpp/utility/functional/negate&oldid=49745 »
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