std::ranges::views::drop, std::ranges::drop_view

template< ranges::view V >
class drop_view
: public ranges::view_interface<drop_view<V>>

namespace views {
inline constexpr /* unspecified */ drop = /* unspecified */;
}

Call signature

template< ranges::viewable_range R >
requires /* see below */
constexpr ranges::view auto
drop( R&& r, ranges::range_difference_t<R> count );

template< class DifferenceType >
constexpr /* range adaptor closure */ drop( DifferenceType&& count );

#include <iostream>
#include <ranges>
 
int main()
{
    const auto nums = {1, 2, 3, 4, 5, 6, 7};
 
    std::cout << "drop " << 2 << ": ";
    for (int i : std::ranges::drop_view{nums, 2})
        std::cout << i << ' ';
    std::cout << '\n';
 
    std::cout << "drop " << 3 << ": ";
    for (int i : nums | std::views::drop(3))
        std::cout << i << ' ';
    std::cout << '\n';
 
    std::cout << "drop " << 4 << ": ";
    for (int i : std::views::iota(1, 8) | std::views::drop(4))
        std::cout << i << ' ';
    std::cout << '\n';
 
    // Note that dropping more than the number of elements is OK:
    for (int dp : {5, 6, 7, 890, 100500})
    {
        std::cout << "drop " << dp << ": ";
        for (int i : std::views::iota(1, 8) | std::views::drop(dp))
            std::cout << i << ' ';
        std::cout << '\n';
    }
}