std::ranges::adjacent_transform_view<V,F,N>::iterator<Const>::operator*

From cppreference.com
Ranges library
Range adaptors
constexpr decltype( auto ) operator* ( ) const noexcept ( /* see below */ ) ;
(since C++23)

Returns the current element in the adjacent_transform_view.

Let parent_ and inner_ be the data members of the iterator

return apply([&](const auto&... iters) -> decltype(auto)
             {
                 return invoke(*parent_->fun_, *iters...);
             },
             inner_.current_);

Parameters

(none)

Return value

The current element.

Exceptions

Let Is be the pack 0, 1, ..., (N - 1).

noexcept specification:  
noexcept ( std::invoke ( *parent_- >fun_, *std:: get <Is> (inner_.current_ )...) )

Example

See also

(C++23)
accesses an element by index
(public member function)