operator+,-(ranges::zip_transform_view::iterator)
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</*ziperator*/<Const>, /*ziperator*/<Const>>;
| (4) | (since C++23) |
Let inner_ denote the underlying iterator.
1,2) Returns the iterator
i incremented by n. Equivalent to: return /*iterator*/(*i.parent_, i.inner_ + n);.
3) Returns the iterator
i decremented by n. Equivalent to: return /*iterator*/(*i.parent_, i.inner_ - n);.
4) Calculates the distance between
i and j. Equivalent to return i.inner_ - j.inner_;.This function is not visible to ordinary unqualified or qualified lookup, and can only be found by argument-dependent lookup when zip_transform_view::iterator<Const> is an associated class of the arguments.
Parameters
| i, j | - | the iterators |
| n | - | position relative to current location |
Return value
1,2)
/*iterator*/{ inner_ + n }
3)
/*iterator*/{ inner_ - n }
4)
i.inner_ - j.inner_
Example
See also
| advances or decrements the underlying iterator (public member function) |
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