std::front_insert_iterator< _Container >(3) | Library Functions Manual | std::front_insert_iterator< _Container >(3) |
NAME¶
std::front_insert_iterator< _Container > - Turns assignment into insertion.
SYNOPSIS¶
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. typedef void
difference_type
Distance between iterators is represented as this type. 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 front_insert_iterator (_Container &__x)
The only way to create this iterator is with a container. constexpr
front_insert_iterator & operator* ()
Simply returns *this. constexpr front_insert_iterator &
operator++ ()
Simply returns *this. (This iterator does not move.) constexpr
front_insert_iterator operator++ (int)
Simply returns *this. (This iterator does not move.) constexpr
front_insert_iterator & operator= (const typename
_Container::value_type &__value)
constexpr front_insert_iterator & operator= (typename
_Container::value_type &&__value)
Protected Attributes¶
_Container * container
Detailed Description¶
template<typename _Container>¶
class std::front_insert_iterator< _Container >" Turns assignment into insertion.
These are output iterators, constructed from a container-of-T. Assigning a T to the iterator prepends it to the container using push_front.
Tip: Using the front_inserter function to create these iterators can save typing.
Member Typedef Documentation¶
template<typename _Container > typedef _Container std::front_insert_iterator< _Container >::container_type¶
A nested typedef for the type of whatever container you used.
typedef void std::iterator< output_iterator_tag , void , void , void , void >::difference_type [inherited]¶
Distance between iterators is represented as this type.
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::front_insert_iterator< _Container >::front_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 front_insert_iterator& std::front_insert_iterator< _Container >::operator* () [inline], [constexpr]¶
Simply returns *this.
template<typename _Container > constexpr front_insert_iterator& std::front_insert_iterator< _Container >::operator++ () [inline], [constexpr]¶
Simply returns *this. (This iterator does not move.)
template<typename _Container > constexpr front_insert_iterator std::front_insert_iterator< _Container >::operator++ (int) [inline], [constexpr]¶
Simply returns *this. (This iterator does not move.)
template<typename _Container > constexpr front_insert_iterator& std::front_insert_iterator< _Container >::operator= (const typename _Container::value_type & __value) [inline], [constexpr]¶
Parameters
Returns
This kind of iterator doesn't really have a position in the container (you can think of the position as being permanently at the front, if you like). Assigning a value to the iterator will always prepend the value to the front of the container.
Author¶
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Mon Dec 18 2023 | libstdc++ |