any_of.h

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#pragma once
 
#include "di/container/algorithm/find_if.h"
#include "di/function/as_bool.h"
 
namespace di::container {
namespace detail {
    struct AnyOfFunction {
        template<concepts::InputIterator Iter, concepts::SentinelFor<Iter> Sent, typename Proj = function::Identity,
                 concepts::IndirectUnaryPredicate<meta::Projected<Iter, Proj>> Pred = function::AsBool>
        constexpr auto operator()(Iter first, Sent last, Pred pred = {}, Proj proj = {}) const -> bool {
            return container::find_if(util::move(first), last, util::ref(pred), util::ref(proj)) != last;
        }
 
        template<concepts::InputContainer Con, typename Proj = function::Identity,
                 concepts::IndirectUnaryPredicate<meta::Projected<meta::ContainerIterator<Con>, Proj>> Pred =
                     function::AsBool>
        constexpr auto operator()(Con&& container, Pred pred = {}, Proj proj = {}) const -> bool {
            return (*this)(container::begin(container), container::end(container), util::ref(pred), util::ref(proj));
        }
    };
}
 
constexpr inline auto any_of = detail::AnyOfFunction {};
}
 
namespace di {
using container::any_of;
}