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

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Ranges library
Range adaptors
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 < /*inner-iterator*/ < Const > ,

/*inner-iterator*/ < Const >> ;
(4) (since C++23)

Let parent_ and inner_ be the data members of the iterator .

1,2) Equivalent to return /*iterator*/ ( * i. parent_ , i. inner_ + n ) ; .
3) Equivalent to return /*iterator*/ ( * i. parent_ , i. inner_ - n ) ; .
4) Equivalent to return i. inner_ - j. inner_ ; .

These functions are not visible to ordinary unqualified or qualified lookup , and can only be found by argument-dependent lookup when adjacent_transform_view:: iterator <Const> is an associated class of the arguments.

Parameters

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

Return value

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

Example

See also

advances or decrements the underlying iterators
(public member function)