std::ranges::take_while_view<V,Pred>:: base

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C++
Ranges library
Range adaptors
std::ranges::take_while_view
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

Run this code 
#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: 

1 2 3
1 2 3 4 5

See also

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