cpp / latest / ranges / join_view / join_view.html /

std::ranges::join_view<V>::join_view

join_view() requires std::default_initializable<V> = default;
(1) (since C++20)
constexpr explicit join_view( V base );
(2) (since C++20)

Constructs a join_view.

1) Default constructor. Value-initializes the underlying view. After construction, base() returns a copy of V().
2) Initializes the underlying view with std::move(base).

Parameters

base - a view of ranges to be flattened

Example

© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
https://en.cppreference.com/w/cpp/ranges/join_view/join_view