std::insert_iterator< _Container >(3)                 Library Functions Manual

NAME
       std::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
       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 insert_iterator (_Container &__x, _Iter __i)
       constexpr insert_iterator & operator* ()
           Simply returns *this.
       constexpr insert_iterator & operator++ ()
           Simply returns *this. (This iterator does not move.)
       constexpr insert_iterator & operator++ (int)
           Simply returns *this. (This iterator does not move.)
       constexpr insert_iterator & operator= (const typename
           _Container::value_type &__value)
       constexpr insert_iterator & operator= (typename _Container::value_type
           &&__value)

   Protected Attributes
       _Container * container
       _Iter iter

Detailed Description
   template<typename _Container>
       class std::insert_iterator< _Container >"Turns assignment into
       insertion.

       These are output iterators, constructed from a container-of-T.
       Assigning a T to the iterator inserts it in the container at the
       iterator's position, rather than overwriting the value at that
       position.

       (Sequences will actually insert a copy of the value before the
       iterator's position.)

       Tip: Using the inserter function to create these iterators can save
       typing.

Member Typedef Documentation
   template<typename _Container > typedef _Container std::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 > std::insert_iterator< _Container
       >::insert_iterator (_Container & __x, _Iter __i) [inline],  [constexpr]
       The only way to create this iterator is with a container and an initial
       position (a normal iterator into the container).

Member Function Documentation
   template<typename _Container > insert_iterator & std::insert_iterator<
       _Container >::operator* () [inline],  [nodiscard],  [constexpr]
       Simply returns *this.

   template<typename _Container > insert_iterator & std::insert_iterator<
       _Container >::operator++ () [inline],  [constexpr]
       Simply returns *this. (This iterator does not move.)

   template<typename _Container > insert_iterator & std::insert_iterator<
       _Container >::operator++ (int ) [inline],  [constexpr]
       Simply returns *this. (This iterator does not move.)

   template<typename _Container > insert_iterator & std::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 maintains its own position in the container.
       Assigning a value to the iterator will insert the value into the
       container at the place before the iterator.

       The position is maintained such that subsequent assignments will insert
       values immediately after one another. For example,

       // vector v contains A and Z

       insert_iterator i (v, ++v.begin());
       i = 1;
       i = 2;
       i = 3;

       // vector v contains A, 1, 2, 3, and Z




Author
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                                   libstdc++
                                         std::insert_iterator< _Container >(3)