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std::map - cppreference.com

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Definido no cabeçalho

<map>

template< class Key, class T, class Compare = std::less<Key>, class Allocator = std::allocator<std::pair<const Key, T> > > class map;

std::map é um recipiente ordenado associativo que contém pares chave-valor com chaves únicas. As chaves são ordenadas usando a função de comparação Compare. Operações de remoção, pesquisa e inserção tem complexidade logarítmica. Mapas são normalmente implementados como árvores rubro-negras.

Original:

std::map is a sorted associative container that contains key-value pairs with unique keys. Keys are sorted by using the comparison function Compare. Search, removal, and insertion operations have logarithmic complexity. Maps are usually implemented as árvores rubro-negras.

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std::map cumpre os requisitos de Container, AllocatorAwareContainer, AssociativeContainer e ReversibleContainer.

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Tipos de membro

Tipo de membro

Original:

Member type

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 Definition
key_type Key [edit]
mapped_type T [edit]
value_type std::pair<const Key, T> [edit]
size_type

Tipo integral sem sinal (geralmente size_t)

Original:

Unsigned integral type (usually size_t)

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[edit]
difference_type

tipo inteiro com sinal (geralmente

Original:

Signed integer type (usually

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ptrdiff_t) [edit]
key_compare Compare [edit]
allocator_type Allocator [edit]
reference Allocator::reference (até C++11)
value_type& (desde C++11) [edit]
const_reference Allocator::const_reference (até C++11)
const value_type& (desde C++11) [edit]
pointer Allocator::pointer (até C++11)
std::allocator_traits<Allocator>::pointer (desde C++11) [edit]
const_pointer Allocator::const_pointer (até C++11)
std::allocator_traits<Allocator>::const_pointer (desde C++11) [edit]
iterator BidirectionalIterator [edit]
const_iterator

Iterador bidirecional constante

Original:

Constant bidirectional iterator

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[edit]
reverse_iterator std::reverse_iterator<iterator> [edit]
const_reverse_iterator std::reverse_iterator<const_iterator> [edit]

Aulas-Membros

compara objetos de value_type tipo

Original:

compares objects of type value_type

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(classe) [edit]

Funções de membro

constrói o map

Original:

constructs the map

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(função pública membro) [edit]

destrói o map

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destructs the map

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(função pública membro) [edit]

atribui valores para o recipiente

Original:

assigns values to the container

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(função pública membro) [edit]

retorna o alocador de associado

Original:

returns the associated allocator

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(função pública membro) [edit]

acesso. Elemento

Original:

Element access

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(C++11)

acessar o elemento especificado com verificação de limites

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access specified element with bounds checking

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(função pública membro) [edit]

acessar o elemento especificado

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access specified element

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(função pública membro) [edit]

Iteradores

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Iterators

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retorna um iterador para o começo

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returns an iterator to the beginning

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(função pública membro) [edit]

retorna um iterador para o fim

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returns an iterator to the end

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(função pública membro) [edit]

retorna um iterador inverso ao início

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returns a reverse iterator to the beginning

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(função pública membro) [edit]

retorna um iterador inverso até ao fim

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returns a reverse iterator to the end

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(função pública membro) [edit]

Capacidade

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Capacity

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verifica se o recipiente estiver vazio

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checks whether the container is empty

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(função pública membro) [edit]

devolve o número de elementos

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returns the number of elements

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(função pública membro) [edit]

retorna o número máximo possível de elementos

Original:

returns the maximum possible number of elements

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(função pública membro) [edit]

Modificadores

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Modifiers

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apaga o conteúdo

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clears the contents

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(função pública membro) [edit]

insere elementos

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inserts elements

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(função pública membro) [edit]

(C++11)

 constructs element in-place
(função pública membro) [edit]

constrói elementos no local usando uma dica

Original:

constructs elements in-place using a hint

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(função pública membro) [edit]

apaga elementos

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erases elements

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(função pública membro) [edit]

Trocar o conteúdo

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swaps the contents

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(função pública membro) [edit]

Pesquisa

Original:

Lookup

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devolve o número de elementos correspondentes chave específica

Original:

returns the number of elements matching specific key

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(função pública membro) [edit]

encontra elemento com chave específica

Original:

finds element with specific key

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(função pública membro) [edit]

retorna a escala de elementos que combinam com uma tecla específica

Original:

returns range of elements matching a specific key

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(função pública membro) [edit]

retorna um iterador para o primeiro elemento não menos do que o valor dado

Original:

returns an iterator to the first element not less than the given value

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(função pública membro) [edit]

retorna um iterador para o primeiro elemento' maior do que um determinado valor

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returns an iterator to the first element greater than a certain value

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(função pública membro) [edit]

Observadores

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Observers

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retorna a função que compara chaves

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returns the function that compares keys

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(função pública membro) [edit]

retorna a função que compara chaves em objetos de value_type tipo

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returns the function that compares keys in objects of type value_type

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(função pública membro) [edit]

Não-membros funções