A fast little LRU cache.
To start using tinylru, install Go and run go get:
$ go get -u github.com/tidwall/tinylru
This will retrieve the library.
// Create an LRU cache
var cache tinylru.LRU
// Set the cache size. This is the maximum number of items that the cache can
// hold before evicting old items. The default size is 256.
cache.Resize(1024)
// Set a key. Returns the previous value and ok if a previous value exists.
prev, ok := cache.Set("hello", "world")
// Get a key. Returns the value and ok if the value exists.
value, ok := cache.Get("hello")
// Delete a key. Returns the deleted value and ok if a previous value exists.
prev, ok := tr.Delete("hello")A Set function may evict old items when adding a new item while LRU is at
capacity. If you want to know what was evicted then use the SetEvicted
function.
// Set a key and return the evicted item, if any.
prev, ok, evictedKey, evictedValue, evicted := cache.SetEvicted("hello", "jello")Josh Baker @tidwall
tinylru source code is available under the MIT License.
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