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operator=,!=(std::unordered_map) — cppreference.com

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

 (1)

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

 (2)

Compare le contenu de deux conteneurs non ordonnée .

Original:

Compares the contents of two unordered containers.

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Le contenu de deux conteneurs non ordonnée lhs et rhs sont équivalentes si les conditions suivantes sont vérifiées:

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()

  • chaque groupe de touches équivalentes [lhs_eq1, lhs_eq2) a un groupe correspondant de touches équivalentes dans le [rhs_eq1, rhs_eq2) autre récipient, qui a les propriétés suivantes:

    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.

Paramètres

lhs, rhs -

non ordonnée conteneurs à comparer

Original:

unordered containers to compare

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Retourne la valeur

1)

true si le contenu des conteneurs sont équivalentes, sinon false

Original:

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

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2)

true si le contenu des récipients ne sont pas équivalentes, false contraire

Original:

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

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Complexité

N comparisons of the keys in the average case, N2 in the worst case, where N is the size of the container.