constexpr decltype(auto) operator[]( difference_type n ) const requires ranges::random_access_range<Base>; | (since C++20) |
Returns the element at specified relative location, after transformation.
Effectively returns std::invoke(*parent_->fun_, current_[n]), where *parent_->fun_ is the transformation function stored in the parent transform_view, and current_ is the underlying iterator into V.
| n | - | position relative to current location. |
the transformed element.
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