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https://github.com/bolero-MURAKAMI/Sprout.git
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33 lines
999 B
C++
33 lines
999 B
C++
#ifndef SPROUT_ALGORITHM_ONE_OF_HPP
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#define SPROUT_ALGORITHM_ONE_OF_HPP
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#include <sprout/config.hpp>
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#include <sprout/iterator/operation.hpp>
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#include <sprout/algorithm/find_if.hpp>
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#include <sprout/algorithm/none_of.hpp>
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namespace sprout {
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namespace detail {
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template<typename InputIterator, typename Predicate>
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inline SPROUT_CONSTEXPR bool
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one_of_impl(InputIterator found, InputIterator last, Predicate pred) {
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return found != last
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&& sprout::none_of(sprout::next(found), last, pred)
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;
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}
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} // namespace detail
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//
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// one_of
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//
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// recursion depth:
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// [first, last) is RandomAccessIterator -> O(log N)
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// otherwise -> O(N)
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//
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template<typename InputIterator, typename Predicate>
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inline SPROUT_CONSTEXPR bool
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one_of(InputIterator first, InputIterator last, Predicate pred) {
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return sprout::detail::one_of_impl(sprout::find_if(first, last, pred), last, pred);
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_ALGORITHM_ONE_OF_HPP
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