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std::less_equal

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< cpp‎ | utility‎ | functional

 
 
 
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Defined in header <functional>
template< class T >
struct less_equal;
Function-Objekt zum Durchführen von Vergleichen. Implementiert operator<= vom Typ T .
Original:
Function object for performing comparisons. Implements operator<= on type T.
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Inhaltsverzeichnis

[Bearbeiten] Notes

Wenn die eingebaute operator<= liefert keine totale Ordnung für Zeiger, wird eine partielle Spezialisierung std::less_equal für Zeigertypen vorgesehen, die garantiert totale Ordnung .
Original:
If the built-in operator<= does not provide total order for pointers, a partial specialization of std::less_equal for pointer types is provided, which guarantees total order.
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[Bearbeiten] Mitglied Typen

Typ
Original:
type
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definition
result_type bool
first_argument_type T
second_argument_type T

[Bearbeiten] Member-Funktionen

operator()
prüft, ob das erste Argument weniger als oder gleich' auf die zweite
Original:
checks if the first argument is less than or equal to the second
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(öffentliche Elementfunktion)

std :: less_equal ::
Original:
std::less_equal::
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operator()

bool operator()( const T& lhs, const T& rhs ) const;

Checks if lhs is less than or equal to rhs.

Parameters

lhs, rhs -
Werten zu vergleichen
Original:
values to compare
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Return value

true if lhs <= rhs, false otherwise.

Exceptions

(none)

Possible implementation

bool operator()(const T &lhs, const T &rhs) const 
{
    return lhs <= rhs;
}