operator- (ranges::adjacent_view:: sentinel )

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< cpp ‎ | ranges ‎ | adjacent view ‎ | sentinel

template < bool OtherConst > requires std:: sized_sentinel_for < ranges:: sentinel_t < Base > , ranges:: iterator_t < /maybe-const/ < OtherConst, V >>> friend constexpr ranges:: range_difference_t < /maybe-const/ < OtherConst, V >> operator - ( const /iterator/ < OtherConst > & x, const /sentinel/ & y ) ;	(1)	(C++23 起)
template < bool OtherConst > requires std:: sized_sentinel_for < ranges:: sentinel_t < Base > , ranges:: iterator_t < /maybe-const/ < OtherConst, V >>> friend constexpr ranges:: range_difference_t < /maybe-const/ < OtherConst, V >> operator - ( const /sentinel/ & y, const /iterator/ < OtherConst > & x ) ;	(2)	(C++23 起)

计算 x 底层迭代器与 y 底层哨位之间的距离。

令 current_ 表示 x 中的底层迭代器数组， end_ 表示 y 中的底层哨位。

1) 等价于： return x. current_ . back ( ) - y. end_ ;

2) 等价于： return y. end_ - x. current_ . back ( ) ;

这些函数模板对普通的非限定查找或限定查找不可见，仅当 adjacent_view:: sentinel 作为参数的关联类时，通过实参依赖查找才能找到它们。

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Member functions
adjacent_view::adjacent_view
adjacent_view::begin
adjacent_view::end
adjacent_view::size
adjacent_view::reserve_hint (C++26)
Iterator
Member functions
adjacent_view:: iterator :: iterator
adjacent_view:: iterator ::operator*
adjacent_view:: iterator ::operator[]
adjacent_view:: iterator ::operator++ adjacent_view:: iterator ::operator++ (int) adjacent_view:: iterator ::operator-- adjacent_view:: iterator ::operator-- (int) adjacent_view:: iterator ::operator+= adjacent_view:: iterator ::operator-=
Non-member functions
operator== (adjacent_view:: iterator ) operator< (adjacent_view:: iterator ) operator> (adjacent_view:: iterator ) operator<= (adjacent_view:: iterator ) operator>= (adjacent_view:: iterator ) operator<=> (adjacent_view:: iterator )
operator+ (adjacent_view:: iterator ) operator- (adjacent_view:: iterator )
iter_move (adjacent_view:: iterator )
iter_swap (adjacent_view:: iterator )
Sentinel
Member functions
adjacent_view:: sentinel :: sentinel
Non-member functions
operator== (adjacent_view:: iterator ,adjacent_view:: sentinel )
operator- (adjacent_view:: iterator ,adjacent_view:: sentinel )

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