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std::logical_not

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Defined in header <functional>
template< class T >
struct logical_not;
Objet fonction pour effectuer logique NOT (négation logique). Appelle effectivement operator! pour T type .
Original:
Function object for performing logical NOT (logical negation). Effectively calls operator! for 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 bool
argument_type T

[modifier] Fonctions membres

operator()
retourne le NOT logique de l'argument
Original:
returns the logical NOT of the argument
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(fonction membre publique)

std :: logical_not ::
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std::logical_not::
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operator()

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

Returns the logical NOT of arg.

Parameters

arg -
pour calculer la valeur NON logique de
Original:
value to compute logical NOT of
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Return value

The result of !arg.

Exceptions

(none)

Possible implementation

bool operator()(const T &arg) const 
{
    return !arg;
}