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This .NET library contains in-memory cache implementations for most-recently-used items. The items don't expire automatically. There are two implementations, one is thread safe called MRUCache<K, V> where K and V are the types of the keys and the values, and one non-thread safe SequentialMRUCache<K, V> which has the same API.

Usage is very simple. Create the cache by supplying an item creation function Func<K, V> which will be used upon cache miss to create an item, followed by the maximum number of cached items. The number of cached items can later be changed by setting the MaxCount property, which will cause the cache to drop the least recently used items if it is less than the number of currently retained items. Use the Get method supplying the item's key to fetch an item. During a cache miss, the item will be created automatically using the creator function which was supplied in the constructor. Use Remove to flush an item, Clear to flush the all items. You can get the hit rate of the cache via the GetStatistics method and reset it with ClearStatistics.

This library has no dependencies.