std::back_inse...r< _Container >(3cxx) std::back_inse...r< _Container >(3cxx)
NAME
std::back_insert_iterator< _Container > - Turns assignment into
insertion.
SYNOPSIS
#include <iterator>
Inherits std::iterator< output_iterator_tag, void, void, void, void >.
Public Types
typedef _Container container_type
A nested typedef for the type of whatever container you used.
using difference_type = ptrdiff_t
typedef output_iterator_tag iterator_category
One of the tag types.
typedef void pointer
This type represents a pointer-to-value_type.
typedef void reference
This type represents a reference-to-value_type.
typedef void value_type
The type 'pointed to' by the iterator.
Public Member Functions
constexpr back_insert_iterator (_Container &__x)
The only way to create this iterator is with a container.
constexpr back_insert_iterator & operator* ()
Simply returns *this.
constexpr back_insert_iterator & operator++ ()
Simply returns *this. (This iterator does not move.)
constexpr back_insert_iterator operator++ (int)
Simply returns *this. (This iterator does not move.)
constexpr back_insert_iterator & operator= (const typename
_Container::value_type &__value)
constexpr back_insert_iterator & operator= (typename
_Container::value_type &&__value)
Protected Attributes
_Container * container
Detailed Description
template<typename _Container>
class std::back_insert_iterator< _Container >"Turns assignment into
insertion.
These are output iterators, constructed from a container-of-T. Assigning
a T to the iterator appends it to the container using push_back.
Tip: Using the back_inserter function to create these iterators can save
typing.
Member Typedef Documentation
template<typename _Container > typedef _Container std::back_insert_iterator<
_Container >::container_type
A nested typedef for the type of whatever container you used.
typedef output_iterator_tag std::iterator< output_iterator_tag , void ,
void , void , void >::iterator_category [inherited]
One of the tag types.
typedef void std::iterator< output_iterator_tag , void , void , void , void
>::pointer [inherited]
This type represents a pointer-to-value_type.
typedef void std::iterator< output_iterator_tag , void , void , void , void
>::reference [inherited]
This type represents a reference-to-value_type.
typedef void std::iterator< output_iterator_tag , void , void , void , void
>::value_type [inherited]
The type 'pointed to' by the iterator.
Constructor & Destructor Documentation
template<typename _Container > constexpr std::back_insert_iterator<
_Container >::back_insert_iterator (_Container & __x) [inline],
[explicit], [constexpr]
The only way to create this iterator is with a container.
Member Function Documentation
template<typename _Container > constexpr back_insert_iterator &
std::back_insert_iterator< _Container >::operator* () [inline],
[constexpr]
Simply returns *this.
template<typename _Container > constexpr back_insert_iterator &
std::back_insert_iterator< _Container >::operator++ () [inline],
[constexpr]
Simply returns *this. (This iterator does not move.)
template<typename _Container > constexpr back_insert_iterator
std::back_insert_iterator< _Container >::operator++ (int) [inline],
[constexpr]
Simply returns *this. (This iterator does not move.)
template<typename _Container > constexpr back_insert_iterator &
std::back_insert_iterator< _Container >::operator= (const typename
_Container::value_type & __value) [inline], [constexpr]
Parameters
__value An instance of whatever type container_type::const_reference
is; presumably a reference-to-const T for container<T>.
Returns
This iterator, for chained operations.
This kind of iterator doesn't really have a position in the container
(you can think of the position as being permanently at the end, if you
like). Assigning a value to the iterator will always append the value to
the end of the container.
Author
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