31 lines
687 B
C++
31 lines
687 B
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <type_traits>
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namespace facebook::react::traits {
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template <typename ExpectedT>
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static constexpr bool containsType()
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{
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return false;
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}
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template <typename ExpectedT, typename FirstT, typename... RestT>
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static constexpr bool containsType()
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{
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if constexpr (sizeof...(RestT) > 0) {
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return std::is_same_v<ExpectedT, FirstT> || containsType<ExpectedT, RestT...>();
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} else {
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return std::is_same_v<ExpectedT, FirstT>;
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}
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}
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} // namespace facebook::react::traits
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