find_first_of.hpp

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// SPDX-License-Identifier: BSL-1.0
 
#ifndef TETL_ALGORITHM_FIND_FIRST_OF_HPP
#define TETL_ALGORITHM_FIND_FIRST_OF_HPP
 
#include <etl/_functional/equal_to.hpp>
 
namespace etl {

template <typename InputIt, typename ForwardIt, typename Predicate>
[[nodiscard]] constexpr auto
find_first_of(InputIt first, InputIt last, ForwardIt sFirst, ForwardIt sLast, Predicate pred) -> InputIt
{
    for (; first != last; ++first) {
        for (auto it = sFirst; it != sLast; ++it) {
            if (pred(*first, *it)) {
                return first;
            }
        }
    }
 
    return last;
}

template <typename InputIt, typename ForwardIt>
[[nodiscard]] constexpr auto find_first_of(InputIt first, InputIt last, ForwardIt sFirst, ForwardIt sLast) -> InputIt
{
    return etl::find_first_of(first, last, sFirst, sLast, etl::equal_to());
}
 
} // namespace etl
 
#endif // TETL_ALGORITHM_FIND_FIRST_OF_HPP