__gnu_parallel::_IteratorPair< _Iterator1, _Iterator2, _IteratorCategory >(3)

NAME
__gnu_parallel::_IteratorPair< _Iterator1, _Iterator2, _IteratorCategory > - A pair of iterators. The usual iterator operations are applied to both child iterators.

SYNOPSIS

Inherits std::pair< _Iterator1, _Iterator2 >.

  Public Types
typedef std::iterator_traits< _Iterator1 > _TraitsType
typedef _TraitsType::difference_type difference_type
typedef _Iterator1 first_type
The type of the first member.
typedef _IteratorCategory iterator_category
typedef _IteratorPair * pointer
typedef _IteratorPair & reference
typedef _Iterator2 second_type
The type of the second member.
typedef void value_type

  Public Member Functions
_IteratorPair (const _Iterator1 &__first, const _Iterator2 &__second)
operator _Iterator2 () const
_IteratorPair operator+ (difference_type __delta) const
_IteratorPair & operator++ ()
const _IteratorPair operator++ (int)
difference_type operator- (const _IteratorPair &__other) const
_IteratorPair & operator-- ()
const _IteratorPair operator-- (int)
_IteratorPair & operator= (const _IteratorPair &__other)
constexpr void swap (pair &__p) noexcept(__and_< __is_nothrow_swappable< _Iterator1 >, __is_nothrow_swappable< _Iterator2 >>::value)
Swap the first members and then the second members.

  Public Attributes
_Iterator1 first
The first member.
_Iterator2 second
The second member.

  Related Functions
(Note that these are not member functions.)

constexpr enable_if< __and_< __is_swappable< _Iterator1 >, __is_swappable< _Iterator2 > >::value >::type swap (pair< _Iterator1, _Iterator2 > &__x, pair< _Iterator1, _Iterator2 > &__y) noexcept(noexcept(__x.swap(__y)))
constexpr bool operator== (const pair< _Iterator1, _Iterator2 > &__x, const pair< _Iterator1, _Iterator2 > &__y)
Two pairs of the same type are equal iff their members are equal.
constexpr bool operator< (const pair< _Iterator1, _Iterator2 > &__x, const pair< _Iterator1, _Iterator2 > &__y)
constexpr bool operator!= (const pair< _Iterator1, _Iterator2 > &__x, const pair< _Iterator1, _Iterator2 > &__y)
Uses operator== to find the result.
constexpr bool operator> (const pair< _Iterator1, _Iterator2 > &__x, const pair< _Iterator1, _Iterator2 > &__y)
Uses operator< to find the result.
constexpr bool operator<= (const pair< _Iterator1, _Iterator2 > &__x, const pair< _Iterator1, _Iterator2 > &__y)
Uses operator< to find the result.
constexpr bool operator>= (const pair< _Iterator1, _Iterator2 > &__x, const pair< _Iterator1, _Iterator2 > &__y)
Uses operator< to find the result.
constexpr pair< typename __decay_and_strip< _Iterator1 >::__type, typename __decay_and_strip< _Iterator2 >::__type > make_pair (_Iterator1 &&__x, _Iterator2 &&__y)
A convenience wrapper for creating a pair from two objects.

constexpr enable_if< __and_< __is_swappable< _Iterator1 >, __is_swappable< _Iterator2 > >::value >::type swap (pair< _Iterator1, _Iterator2 > &__x, pair< _Iterator1, _Iterator2 > &__y) noexcept(noexcept(__x.swap(__y)))
constexpr bool operator== (const pair< _Iterator1, _Iterator2 > &__x, const pair< _Iterator1, _Iterator2 > &__y)
Two pairs of the same type are equal iff their members are equal.
constexpr bool operator< (const pair< _Iterator1, _Iterator2 > &__x, const pair< _Iterator1, _Iterator2 > &__y)
constexpr bool operator!= (const pair< _Iterator1, _Iterator2 > &__x, const pair< _Iterator1, _Iterator2 > &__y)
Uses operator== to find the result.
constexpr bool operator> (const pair< _Iterator1, _Iterator2 > &__x, const pair< _Iterator1, _Iterator2 > &__y)
Uses operator< to find the result.
constexpr bool operator<= (const pair< _Iterator1, _Iterator2 > &__x, const pair< _Iterator1, _Iterator2 > &__y)
Uses operator< to find the result.
constexpr bool operator>= (const pair< _Iterator1, _Iterator2 > &__x, const pair< _Iterator1, _Iterator2 > &__y)
Uses operator< to find the result.
constexpr pair< typename __decay_and_strip< _Iterator1 >::__type, typename __decay_and_strip< _Iterator2 >::__type > make_pair (_Iterator1 &&__x, _Iterator2 &&__y)
A convenience wrapper for creating a pair from two objects.

Detailed Description

  template<typename _Iterator1, typename _Iterator2, typename _IteratorCategory>
class __gnu_parallel::_IteratorPair< _Iterator1, _Iterator2, _IteratorCategory >" A pair of iterators. The usual iterator operations are applied to both child iterators.

Definition at line 45 of file iterator.h.

Member Typedef Documentation

  typedef _Iterator1 std::pair< _Iterator1 , _Iterator2 >::first_type [inherited]

The type of the first member.

Definition at line 214 of file stl_pair.h.

  typedef _Iterator2 std::pair< _Iterator1 , _Iterator2 >::second_type [inherited]

The type of the second member.

Definition at line 215 of file stl_pair.h.

Member Function Documentation

  constexpr void std::pair< _Iterator1 , _Iterator2 >::swap (pair< _Iterator1, _Iterator2 > & __p) [inline], [constexpr], [noexcept], [inherited]

Swap the first members and then the second members.

Definition at line 439 of file stl_pair.h.

Friends And Related Function Documentation

  constexpr pair< typename __decay_and_strip< _Iterator1 >::__type, typename __decay_and_strip< _Iterator2 >::__type > make_pair (_Iterator1 && __x, _Iterator2 && __y) [related]

A convenience wrapper for creating a pair from two objects.

Parameters
    __x The first object.
    __y The second object.

Returns
    A newly-constructed pair<> object of the appropriate type.

The C++98 standard says the objects are passed by reference-to-const, but C++03 says they are passed by value (this was LWG issue #181).

Since C++11 they have been passed by forwarding reference and then forwarded to the new members of the pair. To create a pair with a member of reference type, pass a reference_wrapper to this function.

Definition at line 567 of file stl_pair.h.

  constexpr bool operator!= (const pair< _Iterator1 , _Iterator2 > & __x, const pair< _Iterator1 , _Iterator2 > & __y) [related]

Uses operator== to find the result.

Definition at line 496 of file stl_pair.h.

  constexpr bool operator< (const pair< _Iterator1 , _Iterator2 > & __x, const pair< _Iterator1 , _Iterator2 > & __y) [related]
Defines a lexicographical order for pairs.

For two pairs of the same type, P is ordered before Q if P.first is less than Q.first, or if P.first and Q.first are equivalent (neither is less than the other) and P.second is less than Q.second.

Definition at line 488 of file stl_pair.h.

  constexpr bool operator<= (const pair< _Iterator1 , _Iterator2 > & __x, const pair< _Iterator1 , _Iterator2 > & __y) [related]

Uses operator< to find the result.

Definition at line 507 of file stl_pair.h.

  constexpr bool operator== (const pair< _Iterator1 , _Iterator2 > & __x, const pair< _Iterator1 , _Iterator2 > & __y) [related]

Two pairs of the same type are equal iff their members are equal.

Definition at line 466 of file stl_pair.h.

  constexpr bool operator> (const pair< _Iterator1 , _Iterator2 > & __x, const pair< _Iterator1 , _Iterator2 > & __y) [related]

Uses operator< to find the result.

Definition at line 502 of file stl_pair.h.

  constexpr bool operator>= (const pair< _Iterator1 , _Iterator2 > & __x, const pair< _Iterator1 , _Iterator2 > & __y) [related]

Uses operator< to find the result.

Definition at line 514 of file stl_pair.h.

  constexpr enable_if< __and_< __is_swappable< _Iterator1 >, __is_swappable< _Iterator2 > >::value >::type swap (pair< _Iterator1 , _Iterator2 > & __x, pair< _Iterator1 , _Iterator2 > & __y) [related]
Swap overload for pairs. Calls std::pair::swap().

Note
    This std::swap overload is not declared in C++03 mode, which has performance implications, e.g. see https://gcc.gnu.org/PR38466

Definition at line 533 of file stl_pair.h.

Member Data Documentation

  _Iterator1 std::pair< _Iterator1 , _Iterator2 >::first [inherited]

The first member.

Definition at line 217 of file stl_pair.h.

  _Iterator2 std::pair< _Iterator1 , _Iterator2 >::second [inherited]

The second member.

Definition at line 218 of file stl_pair.h.

Author

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