Add Clear methods to lru cache

feixiao · Dec 23, 2016 · 80d3830 · 80d3830
1 parent d092608
commit 80d3830
Showing 1 changed file with 12 additions and 0 deletions.
diff --git 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
+}