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

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Ranges library
Range access
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(C++23)

Range primitives



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(until C++23)(C++23)


 
 
constexpr decltype(auto) operator*() const;
(since C++20)

Returns the transformed element.

Effectively returns std::invoke(*parent_->fun_, *current_), where *parent_->fun_ is the transformation function stored in the parent transform_view, and current_ is the underlying iterator into V.

Contents

[edit] Parameters

(none)

[edit] Return value

The transformed element.

[edit] Notes

operator-> is not provided.

The behavior is undefined if the pointer to parent transform_view is null (e.g. if *this is default constructed).

If *current_ is a prvalue, its lifetime ends before this function returns. If the transformation function returns a reference or pointer to it, the result would dangle.

[edit] Example