cleanup

vendor/github.com/astaxie/beego/utils/safemap.go

@@ -61,10 +61,8 @@ func (m *BeeMap) Set(k interface{}, v interface{}) bool {
 func (m *BeeMap) Check(k interface{}) bool {
 	m.lock.RLock()
 	defer m.lock.RUnlock()
-	if _, ok := m.bm[k]; !ok {
-		return false
-	}
-	return true
+	_, ok := m.bm[k]
+	return ok
 }
 
 // Delete the given key and value.
@@ -84,3 +82,10 @@ func (m *BeeMap) Items() map[interface{}]interface{} {
 	}
 	return r
 }
+
+// Count returns the number of items within the map.
+func (m *BeeMap) Count() int {
+	m.lock.RLock()
+	defer m.lock.RUnlock()
+	return len(m.bm)
+}