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operator=,!=(std::unordered_multimap) – cppreference.com

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template< class Key, class T, class Hash, class KeyEqual, class Allocator > void operator=( unordered_multimap<Key,T,Hash,KeyEqual,Allocator> &lhs, unordered_multimap<Key,T,Hash,KeyEqual,Allocator> &rhs);

 (1)

template< class Key, class T, class Hash, class KeyEqual, class Allocator > void operator!=( unordered_multimap<Key,T,Hash,KeyEqual,Allocator> &lhs, unordered_multimap<Key,T,Hash,KeyEqual,Allocator> &rhs);

 (2)

Vergleicht den Inhalt von zwei ungeordnete Behälter .

Original:

Compares the contents of two unordered containers.

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Der Inhalt von zwei ungeordnete Behälter lhs und rhs sind gleichwertig, wenn folgende Bedingungen erfüllt sind:

Original:

The contents of two unordered containers lhs and rhs are equivalent if the following conditions hold:

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  • lhs.size() == rhs.size()

  • jede Gruppe von entsprechenden Tasten [lhs_eq1, lhs_eq2) hat eine entsprechende Gruppe von äquivalenten Schlüssel in den anderen Behälter [rhs_eq1, rhs_eq2), die die folgenden Eigenschaften hat:

    Original:

    each group of equivalent keys [lhs_eq1, lhs_eq2) has a corresponding group of equivalent keys in the other container [rhs_eq1, rhs_eq2), that has the following properties:

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  • std::distance(lhs_eq1, lhs_eq2) == std::distance(rhs_eq1, rhs_eq2).
  • std::is_permutation(lhs_eq1, lhs_eq2, rhs_eq1) == true.

Parameter

lhs, rhs -

ungeordnete Behälter zu vergleichen

Original:

unordered containers to compare

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Rückgabewert

1)

true wenn die Inhalte der Behälter äquivalent sind, false anders angegeben

Original:

true if the contents of the containers are equivalent, false otherwise

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2)

true wenn die Inhalte der Behälter nicht äquivalent sind, false anders angegeben

Original:

true if the contents of the containers are not equivalent, false otherwise

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Komplexität

ΣSi2 comparisons of the keys in the average case, where S is the size of the ith equivalent key group. N2 comparisons of the keys in the worst case, where N is the size of the container.