libcruft-util/cruft/util/ranges/enumerate.hpp

#pragma once

#include <ranges>

namespace cruft::ranges {
    /// A very simple implementation of std::views::enumerate provided because clang-19 lacks it
    ///
    /// clang#19: check me again in clang-20
    template <typename Rng>
    requires (std::ranges::input_range<Rng>)
    auto
    enumerate (Rng &&r)
    {
        return std::views::zip (
            std::views::iota (0),
            std::forward<Rng> (r)
        );
    }
}