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std::ranges::enumerate_view<V>:: iterator <Const>:: operator++,--,+=,-=

From cppreference.net
C++
Ranges library
Range adaptors
std::ranges::enumerate_view
Member functions
(C++26)
Deduction guides
Nested classes
Iterator
enumerate_view:: iterator ::operator++
enumerate_view:: iterator ::operator++ (int)
enumerate_view:: iterator ::operator--
enumerate_view:: iterator ::operator-- (int)
enumerate_view:: iterator ::operator+=
enumerate_view:: iterator ::operator-=
Sentinel
constexpr /*iterator*/ & operator ++ ( ) ;
(1) (since C++23)
constexpr void operator ++ ( int ) ;
(2) (since C++23)
constexpr /*iterator*/ operator ++ ( int )
requires ranges:: forward_range < Base > ;
(3) (since C++23)
constexpr /*iterator*/ & operator -- ( )
requires ranges:: bidirectional_range < Base > ;
(4) (since C++23)
constexpr /*iterator*/ operator -- ( int )
requires ranges:: bidirectional_range < Base > ;
(5) (since C++23)
constexpr /*iterator*/ & operator + = ( difference_type n )
requires ranges:: random_access_range < Base > ;
(6) (since C++23)
constexpr /*iterator*/ & operator - = ( difference_type n )
requires ranges:: random_access_range < Base > ;
(7) (since C++23)

Increments or decrements the iterator .

Let current_ be the underlying iterator and pos_ be the underlying index.

1) Equivalent to ++ current_ ; ++ pos_ ; return * this ;
2) Equivalent to ++ current_ ;
3) Equivalent to auto tmp = * this ; ++* this ; return tmp ;
4) Equivalent to -- current_ ; -- pos_ ; return * this ;
5) Equivalent to auto tmp = * this ; --* this ; return tmp ;
6) Equivalent to current_ + = n ; pos_ + = n ; return * this ;
7) Equivalent to current_ - = n ; pos_ - = n ; return * this ;

Parameters

n - position relative to current location

Return value

1,4,6,7) * this
2) (none)
3,5) a copy of * this that was made before the change

See also

(C++23)
performs iterator arithmetic
(function)