Method hash

deps/concurrentqueue/concurrentqueue.h:436–447

	
	template<bool use32> struct _hash_32_or_64 {
		static inline std::uint32_t hash(std::uint32_t h)
		{
			// MurmurHash3 finalizer -- see https://code.google.com/p/smhasher/source/browse/trunk/MurmurHash3.cpp
			// Since the thread ID is already unique, all we really want to do is propagate that
			// uniqueness evenly across all the bits, so that we can use a subset of the bits while
			// reducing collisions significantly
			h ^= h >> 16;
			h *= 0x85ebca6b;
			h ^= h >> 13;
			h *= 0xc2b2ae35;
			return h ^ (h >> 16);
		}
	};
	template<> struct _hash_32_or_64<1> {
		static inline std::uint64_t hash(std::uint64_t h)