use comma ok and use single line (#984)

2017-07-06 22:49:54 +08:00
parent 34e972e155
commit e0fd6238d3
2 changed files with 2 additions and 11 deletions
@@ -26,8 +26,7 @@ type HandlersChain []HandlerFunc

 // Last returns the last handler in the chain. ie. the last handler is the main own.
 func (c HandlersChain) Last() HandlerFunc {
-	length := len(c)
-	if length > 0 {
+	if length := len(c); length > 0 {
 		return c[length-1]
 	}
 	return nil