operator+,-(ranges::zip_transform_view::iterator)
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< cpp | ranges | zip transform view | iterator
| friend constexpr /*iterator*/ operator+( const /*iterator*/& i, difference_type n ) requires ranges::random_access_range<Base>; |
(1) | (C++23から) |
| friend constexpr /*iterator*/ operator+( difference_type n, const /*iterator*/& i ) requires ranges::random_access_range<Base>; |
(2) | (C++23から) |
| friend constexpr /*iterator*/ operator-( const /*iterator*/& i, difference_type n ) requires ranges::random_access_range<Base>; |
(3) | (C++23から) |
| friend constexpr difference_type operator-( const /*iterator*/& i, const /*iterator*/& j ) |
(4) | (C++23から) |
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.
目次 |
[edit] Parameters
| i, j | - | イテレータ |
| n | - | 現在の位置からの相対位置 |
[edit] Return value
1,2) /*iterator*/{ inner_ + n }
3) /*iterator*/{ inner_ - n }
4) i.inner_ - j.inner_
[edit] Example
| このセクションは未完成です 理由: 例がありません |
[edit] See also
| 基底イテレータを進めたり、後退させたりします。 (public member function) |