NewARC creates an ARC of the given size.

NewLRU constructs an LRU of the given size.

ARCCache is a thread-safe fixed size Adaptive Replacement Cache (ARC).

LRU implements a non-thread safe fixed size LRU cache.

LRUCache is the interface for simple LRU cache.

EvictCallback is used to get a callback when a cache entry is evicted.