Espaços nominais
Variantes
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std::forward_list::before_begin, std::forward_list::cbefore_begin

Da cppreference.com

 
 
 
std::forward_list
Funções de membro
Original:
Member functions
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forward_list::forward_list
forward_list::~forward_list
forward_list::operator=
forward_list::assign
forward_list::get_allocator
acesso. Elemento
Original:
Element access
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forward_list::front
Iteradores
Original:
Iterators
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forward_list::before_begin
forward_list::cbefore_begin
forward_list::begin
forward_list::cbegin
forward_list::end
forward_list::cend
Capacidade
Original:
Capacity
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forward_list::empty
forward_list::max_size
Modificadores
Original:
Modifiers
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forward_list::clear
forward_list::insert_after
forward_list::emplace_after
forward_list::erase_after
forward_list::push_front
forward_list::emplace_front
forward_list::pop_front
forward_list::resize
forward_list::swap
Operações
Original:
Operations
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forward_list::merge
forward_list::splice_after
forward_list::remove
forward_list::remove_if
forward_list::reverse
forward_list::unique
forward_list::sort
 
iterator before_begin();
(a partir do C++ 11)
const_iterator before_begin() const;
(a partir do C++ 11)
const_iterator cbefore_begin() const;
(a partir do C++ 11)
Retorna um iterador para o elemento, antes do primeiro elemento do recipiente. Este elemento atua como um espaço reservado, tentando acessá-lo resulta em um comportamento indefinido. Os casos de uso são apenas em funções insert_after(), emplace_after(), erase_after(), splice_after() e operador de incremento: incrementando o antes começar iterador dá exatamente o mesmo iterador como obtido begin() / cbegin().
Original:
Returns an iterator to the element before the first element of the container. This element acts as a placeholder, attempting to access it results in undefined behavior. The only usage cases are in functions insert_after(), emplace_after(), erase_after(), splice_after() and the increment operator: incrementing the before-begin iterator gives exactly the same iterator as obtained from begin()/cbegin().
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Índice

[editar] Parâmetros

(Nenhum)
Original:
(none)
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[editar] Valor de retorno

iterador para o elemento, antes do primeiro elemento
Original:
iterator to the element before the first element
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[editar] Exceções

1-3)
noexcept specification:  
noexcept
  (a partir do C++ 11)

[editar] Complexidade

Constante
Original:
Constant
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[editar] Veja também

retorna um iterador para o começo
Original:
returns an iterator to the beginning
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(função pública membro) [edit]
retorna um iterador para o fim
Original:
returns an iterator to the end
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(função pública membro) [edit]