Differential D9642 Diff 31697 extern/draco/draco/src/draco/core/hash_utils.h

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	// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.			// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	// See the License for the specific language governing permissions and			// See the License for the specific language governing permissions and
	// limitations under the License.			// limitations under the License.
	//			//
	#ifndef DRACO_CORE_HASH_UTILS_H_			#ifndef DRACO_CORE_HASH_UTILS_H_
	#define DRACO_CORE_HASH_UTILS_H_			#define DRACO_CORE_HASH_UTILS_H_

	#include <stdint.h>			#include <stdint.h>
	#include <functional>

	// TODO(fgalligan): Move this to core.			#include <cstddef>
				#include <functional>

	namespace draco {			namespace draco {

	template <typename T1, typename T2>			template <typename T1, typename T2>
	size_t HashCombine(T1 a, T2 b) {			size_t HashCombine(T1 a, T2 b) {
	const size_t hash1 = std::hash<T1>()(a);			const size_t hash1 = std::hash<T1>()(a);
	const size_t hash2 = std::hash<T2>()(b);			const size_t hash2 = std::hash<T2>()(b);
	return (hash1 << 2) ^ (hash2 << 1);			return (hash1 << 2) ^ (hash2 << 1);
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