232 struct CacheKey {  struct
236   CacheKey() = default;
238   CacheKey(const Slice& k, uint32_t h) {  in CacheKey()  argument
243   static bool equal(const CacheKey& a, const CacheKey& b) {  in equal()  argument
247   static size_t hash(const CacheKey& a) {  in hash()  argument
264   typedef tbb::concurrent_hash_map<CacheKey, CacheHandle*, CacheKey> HashTable;
514         table_.erase(CacheKey(handle->key, handle->hash));  in TryEvict()
599   if (table_.find(accessor, CacheKey(key, hash))) {  in Insert()
604   table_.insert(HashTable::value_type(CacheKey(key, hash), handle));  in Insert()
637   if (!table_.find(accessor, CacheKey(key, hash))) {  in Lookup()
682   if (table_.find(accessor, CacheKey(key, hash))) {  in EraseAndConfirm()