operator+,-(ranges::slide_view::iterator)

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< cpp‎ | ranges‎ | slide view‎ | iterator
C++
Ranges library
Range adaptors
std::ranges::slide_view
Member functions
Deduction guides
Iterator
Member functions
Non-member functions
operator+(slide_view::iterator)
operator-(slide_view::iterator)
Sentinel
Member functions
Non-member functions
friend constexpr /*iterator*/ operator+ ( const /*iterator*/ & i,

difference_type n )

    requires ranges::random_access_range <Base> ;
(1) (since C++23)
friend constexpr /*iterator*/ operator+ ( difference_type n,

const /*iterator*/& i )

    requires ranges::random_access_range <Base> ;
(2) (since C++23)
friend constexpr /*iterator*/ operator- ( const /*iterator*/ & i,

difference_type n )

    requires ranges::random_access_range <Base> ;
(3) (since C++23)
friend constexpr difference_type operator- ( const /*iterator*/ & i,

const /*iterator*/ & j )
    requires std::sized_sentinel_for < ranges::iterator_t <Base>,

ranges::iterator_t <Base>> ;
(4) (since C++23)

Performs iterator arithmetic.

1,2) Equivalent to: auto r = i; r + = n; return r;
3) Equivalent to: auto r = i; r - = n; return r;
4) Let current_ and last_ele_ be the underlying iterators to the begin and end of the sliding window, respectively. Equivalent to:
  • return x.last_ele_ - y.last_ele_;, if last_ele_
  • return x.current_ - y.current_;.

These functions are not visible to ordinary unqualified or qualified lookup, and can only be found by argument-dependent lookup when slide_view::iterator<Const>

Parameters

i, j - the iterators
n - position relative to current location

Return value

1,2) An incremented iterator.
3) A decremented iterator.
4) A distance between given iterators.

Example

This section is incomplete
Reason: no example

See also

 advances or decrements the underlying iterators
(public member function)
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