Espaços nominais
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std::basic_string::operator[]

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< cpp‎ | string‎ | basic string

 
 
Biblioteca cordas
Strings terminadas
Original:
Null-terminated strings
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Cadeias de bytes
Multibyte cordas
Cordas de largura
Classes
Original:
Classes
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basic_string
char_traits
 
std::basic_string
Funções de membro
Original:
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
Original:
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
Original:
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
Original:
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
Original:
Constants
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basic_string::npos
Não-membros funções
Original:
Non-member functions
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operator+
operator==
operator!=
operator<
operator>
operator<=
operator>=
swap(std::basic_string)
operator<<
operator>>
getline
stoi
stol
stoll
(C++11)
(C++11)
(C++11)
stoul
stoull
(C++11)
(C++11)
stof
stod
stold
(C++11)
(C++11)
(C++11)
to_string(C++11)
to_wstring(C++11)
Classes auxiliares
Original:
Helper classes
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hash<std::string>
hash<std::wstring>
hash<std::u32string>
hash<std::u16string>
(C++11)
 
reference       operator[]( size_type pos );
const_reference operator[]( size_type pos ) const;
Retorna uma referência ao personagem de pos local especificado. Nenhuma verificação de limites é realizado.
Original:
Returns a reference to the character at specified location pos. No bounds checking is performed.
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If pos==size(),

  • A versão const retorna uma referência para o personagem com valor CharT() (o caractere nulo). (até C + 11)
    Original:
    The const version returns a reference to the character with value CharT() (the null character). (até C + 11)
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  • Ambas as versões retorna uma referência para o personagem com valor CharT() (o caractere nulo). Modificando o caractere nulo através de resultados não-const referência em comportamento indefinido. (a partir do C++ 11)
    Original:
    Both versions returns a reference to the character with value CharT() (the null character). Modifying the null character through non-const reference results in undefined behavior. (a partir do C++ 11)
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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] Complexidade

Constante
Original:
Constant
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[editar] Veja também

acesso de caracteres especificada com verificação de limites
Original:
access specified character with bounds checking
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(função pública membro) [edit]