std::unordered_map::at

 

C++

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Operaciones de biblioteca Atómica (C++11)

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Contenedores biblioteca

array (C++11)

vector

deque

forward_list (C++11)

list

set

multiset

map

multimap

unordered_set (C++11)

unordered_multiset (C++11)

unordered_map (C++11)

unordered_multimap (C++11)

stack

queue

priority_queue

 

std::unordered_map

Las funciones miembro Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::unordered_map

unordered_map::~unordered_map

unordered_map::operator=

unordered_map::get_allocator

Los iteradores Original: Iterators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::begin unordered_map::cbegin

unordered_map::end unordered_map::cend

Capacidad Original: Capacity The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::erase

unordered_map::size

unordered_map::max_size

Modificadores Original: Modifiers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::clear

unordered_map::insert

unordered_map::emplace

unordered_map::emplace_hint

unordered_map::erase

unordered_map::swap

Buscar Original: Lookup The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::count

unordered_map::find

unordered_map::equal_range

Bucket interfaz Original: Bucket interface The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::begin2

unordered_map::end2

unordered_map::bucket_count

unordered_map::max_bucket_count

unordered_map::bucket_size

unordered_map::bucket

Política Hash Original: Hash policy The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::load_factor

unordered_map::max_load_factor

unordered_map::rehash

unordered_map::reserve

Los observadores Original: Observers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::hash_function

unordered_map::key_eq

 

T& at( const Key& key );	(1)	(ya que C + +11)
const T & at( const Key& key ) const;	(2)	(ya que C + +11)

Devuelve una referencia al valor asignado del elemento con clave equivalente a key. Si ese elemento no existe, una excepción de tipo std::out_of_range se lanza .

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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Parámetros

key

-

la clave del elemento de encontrar Original: the key of the element to find The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Valor de retorno

La referencia al valor asignado del elemento solicitado

Original:

Reference to the mapped value of the requested element

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Excepciones

std::out_of_range si el envase no tiene un elemento con la key especificado

Original:

std::out_of_range if the container does not have an element with the specified key

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Complejidad

Average case: constant, worst case: linear in size.

Ver también

operator[]	acceder al elemento especificado Original: access specified element The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (miembro público función)