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std::ranges::take_while_view<V,Pred>::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 base_.

2) Move constructs the result from the underlying view base_.

Parameters

(none)

Return value

A copy of the underlying view.

Example

#include <iostream>
#include <ranges>

namespace stq {
void println(auto, const auto& v)
{
    for (const auto& e : v)
        std::cout << e << ' ';
    std::cout << '\n';
}
}

int main()
{
    static constexpr int a[]{1, 2, 3, 4, 5};
    constexpr auto view = a | std::views::take_while([](int x){ return x < 4; });
    stq::println("{}", view);
    const auto base = view.base();
    stq::println("{}", base);
}

Output:

See also

returns a reference to the stored predicate
(public member function) [edit]