Espaços nominais
Variantes
Acções

std::basic_string::at

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< cpp‎ | string‎ | basic string

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C++
 
Biblioteca cordas
Strings terminadas
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Null-terminated strings
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Cadeias de bytes
Multibyte cordas
Cordas de largura
Classes
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Classes
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std::basic_string
Funções de membro
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Member functions
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basic_string::basic_string
basic_string::operator=
basic_string::assign
basic_string::get_allocator
acesso. Elemento
Original:
Element access
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basic_string::at
basic_string::operator[]
basic_string::front(C++11)
basic_string::back(C++11)
basic_string::data
basic_string::c_str
Iteradores
Original:
Iterators
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basic_string::begin
basic_string::cbegin
(C++11)
basic_string::end
basic_string::cend
(C++11)
basic_string::rbegin
basic_string::crbegin
(C++11)
basic_string::rend
basic_string::crend
(C++11)
Capacidade
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Capacity
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basic_string::empty
basic_string::size
basic_string::length
basic_string::max_size
basic_string::reserve
basic_string::capacity
basic_string::shrink_to_fit(C++11)
Operações
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Operations
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basic_string::clear
basic_string::insert
basic_string::erase
basic_string::push_back
basic_string::pop_back(C++11)
basic_string::append
basic_string::operator+=
basic_string::compare
basic_string::replace
basic_string::substr
basic_string::copy
basic_string::resize
basic_string::swap
Pesquisar
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Search
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basic_string::find
basic_string::rfind
basic_string::find_first_of
basic_string::find_first_not_of
basic_string::find_last_of
basic_string::find_last_not_of
Constantes
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Constants
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basic_string::npos
Não-membros funções
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Non-member functions
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(C++11)(C++11)(C++11)
(C++11)(C++11)
(C++11)(C++11)(C++11)
(C++11)
(C++11)
Classes auxiliares
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Helper classes
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(C++11)
 
reference       at( size_type pos );
const_reference at( size_type pos ) const;
Retorna uma referência ao personagem de pos local especificado. Verificação de limites é realizada, com exceção de std::out_of_range tipo será lançada sobre acesso inválido.
Original:
Returns a reference to the character at specified location pos. Bounds checking is performed, exception of type std::out_of_range will be thrown on invalid access.
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Índice

[editar] Parâmetros

pos -
posição do personagem para voltar
Original:
position of the character to return
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[editar] Valor de retorno

referência ao personagem solicitado
Original:
reference to the requested character
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[editar] Exceções

joga std::out_of_range se pos >= size()
Original:
throws std::out_of_range if pos >= size()
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[editar] Complexidade

Constante
Original:
Constant
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[editar] Veja também
acesso de caracteres especificada
Original:
access specified character
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(função pública membro) [edit]
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