std::basic_string::front - cppreference.com
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      std::basic_string::front

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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
      Original:
      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
      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
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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
      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
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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)
       
      <tbody> </tbody>
      CharT& front();
      		 (desde C++11)
      const CharT& front() const;
      		 (desde C++11)
      Devoluções de referência para o primeiro caractere na seqüência.
      Original:
      Returns reference to the first character in the string.
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      Parâmetros

      (Nenhum)
      Original:
      (none)
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      Valor de retorno

      referência para o primeiro caractere.
      Original:
      reference to the first character.
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      Complexidade

      Constante
      Original:
      Constant
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      Notas

      front requer que !empty() == true, caso contrário, o resultado é indefinido.
      Original:
      front requires that !empty() == true, otherwise the result is undefined.
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