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    std::basic_string::at

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    <metanoindex/>

     
    C++
     
    Biblioteca cordas
    Strings terminadas
    Original:
    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
    Funes 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
    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)
    Operaes
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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
    No-membros funes
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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)
     
    <tbody> </tbody>
    reference at( size_type pos );
    const_reference at( size_type pos ) const;
    Retorna uma referncia ao personagem de pos local especificado. Verificao de limites realizada, com exceo de std::out_of_range tipo ser lanada sobre acesso invlido.
    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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    Parmetros

    pos -
    posio do personagem para voltar
    Original:
    position of the character to return
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    Valor de retorno

    referncia ao personagem solicitado
    Original:
    reference to the requested character
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    Excees

    joga std::out_of_range se pos >= size()
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    throws std::out_of_range if pos >= size()
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    Complexidade

    Constante
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    Constant
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    Veja tambm
    acesso de caracteres especificada
    Original:
    access specified character
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