std::istream_iterator - Man Page

Provides input iterator semantics for streams.

Synopsis

#include <iterator>

Inherits std::iterator< _Category, _Tp, _Distance, _Pointer, _Reference >.

Public Types

typedef _CharT char_type
typedef _Distance difference_type
Distance between iterators is represented as this type.
typedef basic_istream< _CharT, _Traits > istream_type
typedef _Category iterator_category
One of the tag types.
typedef _Pointer pointer
This type represents a pointer-to-value_type.
typedef _Reference reference
This type represents a reference-to-value_type.
typedef _Traits traits_type
typedef _Tp value_type
The type 'pointed to' by the iterator.

Public Member Functions

constexpr istream_iterator () noexcept(/*conditional */)
Construct end of input stream iterator.
istream_iterator (const istream_iterator &__obj) noexcept(/*conditional */)
istream_iterator (istream_type &__s)
Construct start of input stream iterator.
const _Tp & operator* () const noexcept
istream_iterator & operator++ ()
istream_iterator operator++ (int)
const _Tp * operator-> () const noexcept
istream_iterator & operator= (const istream_iterator &)=default

Friends

bool operator== (const istream_iterator &__x, const istream_iterator &__y) noexcept
Return true if the iterators refer to the same stream, or are both at end-of-stream.

Detailed Description

template<typename _Tp, typename _CharT = char, typename _Traits = char_traits<_CharT>, typename _Dist = ptrdiff_t>

class std::istream_iterator< _Tp, _CharT, _Traits, _Dist >"Provides input iterator semantics for streams.

Definition at line 53 of file iterator.

Member Typedef Documentation

template<typename _Tp , typename _CharT  = char, typename _Traits  = char_traits<_CharT>, typename _Dist  = ptrdiff_t> typedef _CharT std::istream_iterator< _Tp, _CharT, _Traits, _Dist >::char_type

Definition at line 57 of file iterator.

template<typename _Category , typename _Tp , typename _Distance  = ptrdiff_t, typename _Pointer  = _Tp*, typename _Reference  = _Tp&> typedef _Distance std::iterator< _Category, _Tp, _Distance, _Pointer, _Reference >::difference_type [inherited]

Distance between iterators is represented as this type.

Definition at line 134 of file stl_iterator_base_types.h.

template<typename _Tp , typename _CharT  = char, typename _Traits  = char_traits<_CharT>, typename _Dist  = ptrdiff_t> typedef basic_istream<_CharT, _Traits> std::istream_iterator< _Tp, _CharT, _Traits, _Dist >::istream_type

Definition at line 59 of file iterator.

template<typename _Category , typename _Tp , typename _Distance  = ptrdiff_t, typename _Pointer  = _Tp*, typename _Reference  = _Tp&> typedef _Category std::iterator< _Category, _Tp, _Distance, _Pointer, _Reference >::iterator_category [inherited]

One of the tag types.

Definition at line 130 of file stl_iterator_base_types.h.

template<typename _Category , typename _Tp , typename _Distance  = ptrdiff_t, typename _Pointer  = _Tp*, typename _Reference  = _Tp&> typedef _Pointer std::iterator< _Category, _Tp, _Distance, _Pointer, _Reference >::pointer [inherited]

This type represents a pointer-to-value_type.

Definition at line 136 of file stl_iterator_base_types.h.

template<typename _Category , typename _Tp , typename _Distance  = ptrdiff_t, typename _Pointer  = _Tp*, typename _Reference  = _Tp&> typedef _Reference std::iterator< _Category, _Tp, _Distance, _Pointer, _Reference >::reference [inherited]

This type represents a reference-to-value_type.

Definition at line 138 of file stl_iterator_base_types.h.

template<typename _Tp , typename _CharT  = char, typename _Traits  = char_traits<_CharT>, typename _Dist  = ptrdiff_t> typedef _Traits std::istream_iterator< _Tp, _CharT, _Traits, _Dist >::traits_type

Definition at line 58 of file iterator.

template<typename _Category , typename _Tp , typename _Distance  = ptrdiff_t, typename _Pointer  = _Tp*, typename _Reference  = _Tp&> typedef _Tp std::iterator< _Category, _Tp, _Distance, _Pointer, _Reference >::value_type [inherited]

The type 'pointed to' by the iterator.

Definition at line 132 of file stl_iterator_base_types.h.

Constructor & Destructor Documentation

template<typename _Tp , typename _CharT  = char, typename _Traits  = char_traits<_CharT>, typename _Dist  = ptrdiff_t> constexpr std::istream_iterator< _Tp, _CharT, _Traits, _Dist >::istream_iterator () [inline], [constexpr], [noexcept]

Construct end of input stream iterator.

Definition at line 71 of file iterator.

template<typename _Tp , typename _CharT  = char, typename _Traits  = char_traits<_CharT>, typename _Dist  = ptrdiff_t> std::istream_iterator< _Tp, _CharT, _Traits, _Dist >::istream_iterator (istream_type & __s) [inline]

Construct start of input stream iterator.

Definition at line 76 of file iterator.

template<typename _Tp , typename _CharT  = char, typename _Traits  = char_traits<_CharT>, typename _Dist  = ptrdiff_t> std::istream_iterator< _Tp, _CharT, _Traits, _Dist >::istream_iterator (const istream_iterator< _Tp, _CharT, _Traits, _Dist > & __obj) [inline], [noexcept]

Definition at line 80 of file iterator.

Member Function Documentation

template<typename _Tp , typename _CharT  = char, typename _Traits  = char_traits<_CharT>, typename _Dist  = ptrdiff_t> const _Tp & std::istream_iterator< _Tp, _CharT, _Traits, _Dist >::operator* () const [inline], [noexcept]

Definition at line 100 of file iterator.

template<typename _Tp , typename _CharT  = char, typename _Traits  = char_traits<_CharT>, typename _Dist  = ptrdiff_t> istream_iterator & std::istream_iterator< _Tp, _CharT, _Traits, _Dist >::operator++ () [inline]

Definition at line 114 of file iterator.

template<typename _Tp , typename _CharT  = char, typename _Traits  = char_traits<_CharT>, typename _Dist  = ptrdiff_t> istream_iterator std::istream_iterator< _Tp, _CharT, _Traits, _Dist >::operator++ (int) [inline]

Definition at line 124 of file iterator.

template<typename _Tp , typename _CharT  = char, typename _Traits  = char_traits<_CharT>, typename _Dist  = ptrdiff_t> const _Tp * std::istream_iterator< _Tp, _CharT, _Traits, _Dist >::operator-> () const [inline], [noexcept]

Definition at line 110 of file iterator.

Author

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Wed Sep 7 2022 libstdc++