std::ranges::join_view<V>::base - cppreference.com

From cppreference.com

constexpr V base() const& requires std::copy_constructible<V>;

(1) (since C++20)

constexpr V base() &&;

(2) (since C++20)

Returns a copy of the underlying view.

1) Copy constructs the result from the underlying view.

2) Move constructs the result from the underlying view.

Parameters

(none)

Return value

A copy of the underlying view.

Example