@@ -138,7 +138,7 @@ golang.org/x/crypto                                 88737f569e3a9c7ab309cdc09a07

 golang.org/x/time                                   fbb02b2291d28baffd63558aa44b4b56f178d650

 github.com/hashicorp/go-memdb                       cb9a474f84cc5e41b273b20c6927680b2a8776ad

 github.com/hashicorp/go-immutable-radix             826af9ccf0feeee615d546d69b11f8e98da8c8f1 git://github.com/tonistiigi/go-immutable-radix.git

-github.com/hashicorp/golang-lru                     7087cb70de9f7a8bc0a10c375cb0d2280a8edf9c # v0.5.1

+github.com/hashicorp/golang-lru                     7f827b33c0f158ec5dfbba01bb0b14a4541fd81d # v0.5.3

 github.com/coreos/pkg                               3ac0863d7acf3bc44daf49afef8919af12f704ef # v3

 code.cloudfoundry.org/clock                         02e53af36e6c978af692887ed449b74026d76fec

@@ -1 +1,3 @@

 module github.com/hashicorp/golang-lru

+

+go 1.12

@@ -73,6 +73,9 @@ func (c *LRU) Add(key, value interface{}) (evicted bool) {

 func (c *LRU) Get(key interface{}) (value interface{}, ok bool) {

 	if ent, ok := c.items[key]; ok {

 		c.evictList.MoveToFront(ent)

+		if ent.Value.(*entry) == nil {

+			return nil, false

+		}

 		return ent.Value.(*entry).value, true

 	}

 	return

@@ -142,6 +145,19 @@ func (c *LRU) Len() int {

 	return c.evictList.Len()

 }

+// Resize changes the cache size.

+func (c *LRU) Resize(size int) (evicted int) {

+	diff := c.Len() - size

+	if diff < 0 {

+		diff = 0

+	}

+	for i := 0; i < diff; i++ {

+		c.removeOldest()

+	}

+	c.size = size

+	return diff

+}

+

 // removeOldest removes the oldest item from the cache.

 func (c *LRU) removeOldest() {

 	ent := c.evictList.Back()

@@ -10,7 +10,7 @@ type LRUCache interface {

 	// updates the "recently used"-ness of the key. #value, isFound

 	Get(key interface{}) (value interface{}, ok bool)

-	// Check if a key exsists in cache without updating the recent-ness.

+	// Checks if a key exists in cache without updating the recent-ness.

 	Contains(key interface{}) (ok bool)

 	// Returns key's value without updating the "recently used"-ness of the key.

@@ -31,6 +31,9 @@ type LRUCache interface {

 	// Returns the number of items in the cache.

 	Len() int

-	// Clear all cache entries

+	// Clears all cache entries.

 	Purge()

+

+  // Resizes cache, returning number evicted

+  Resize(int) int

 }