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std::map::at

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< cpp‎ | container‎ | map

 
 
 
std::map
Funções de membro
Original:
Member functions
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map::map
map::~map
map::operator=
map::get_allocator
acesso. Elemento
Original:
Element access
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map::at
map::operator[]
Iteradores
Original:
Iterators
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map::begin
map::cbegin

(C++11)
map::end
map::cend

(C++11)
map::rbegin
map::crbegin

(C++11)
map::rend
map::crend

(C++11)
Capacidade
Original:
Capacity
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map::empty
map::size
map::max_size
Modificadores
Original:
Modifiers
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map::clear
map::insert
map::emplace(C++11)
map::emplace_hint(C++11)
map::erase
map::swap
Pesquisa
Original:
Lookup
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map::count
map::find
map::equal_range
map::lower_bound
map::upper_bound
Observadores
Original:
Observers
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map::key_comp
map::value_comp
 
T& at( const Key& key );
(1) (a partir do C++ 11)
const T & at( const Key& key ) const;
(2) (a partir do C++ 11)
Retorna uma referência para o valor mapeado do elemento com chave equivalente a key. Se tal elemento não existe, uma exceção do tipo std::out_of_range é jogado.
Original:
Returns a reference to the mapped value of the element with key equivalent to key. If no such element exists, an exception of type std::out_of_range is thrown.
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Índice

[editar] Parâmetros

key -
a chave do elemento de encontrar
Original:
the key of the element to find
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[editar] Valor de retorno

Referência ao valor mapeado do elemento solicitado
Original:
Reference to the mapped value of the requested element
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[editar] Exceções

std::out_of_range se o recipiente não tem um elemento com a key especificado
Original:
std::out_of_range if the container does not have an element with the specified key
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[editar] Complexidade

Logarithmic in the size of the container.

[editar] Veja também

acessar o elemento especificado
Original:
access specified element
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(função pública membro) [edit]