From 80d38305e5f6af955ef73afc2e288f31818a5b8b Mon Sep 17 00:00:00 2001
From: Daker Fernandes Pinheiro <daker.fernandes.pinheiro@intel.com>
Date: Tue, 29 Nov 2016 17:48:59 -0300
Subject: [PATCH] Add Clear methods to lru cache

---
 lru/lru.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/lru/lru.go b/lru/lru.go
index cdfe299..532cc45 100644
--- a/lru/lru.go
+++ b/lru/lru.go
@@ -119,3 +119,15 @@ func (c *Cache) Len() int {
 	}
 	return c.ll.Len()
 }
+
+// Clear purges all stored items from the cache.
+func (c *Cache) Clear() {
+	if c.OnEvicted != nil {
+		for _, e := range c.cache {
+			kv := e.Value.(*entry)
+			c.OnEvicted(kv.key, kv.value)
+		}
+	}
+	c.ll = nil
+	c.cache = nil
+}