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std::negate

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Negators
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Defined in header <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_type T
argument_type T

[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
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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;
}