beshrek
diff --git a/‎ebook/02.5.md‎
Lines changed: 2 additions & 2 deletions b/‎ebook/02.5.md‎
Lines changed: 2 additions & 2 deletions
@@ -160,8 +160,8 @@ method的语法如下：
 v := 0.00
 k := Color(WHITE)
 for _, b := range bl {
-if b.Volume() > v {
-v = b.Volume()
+if bv := b.Volume(); bv > v {
+v = bv
 k = b.color
 }
 }
Original file line number	Diff line number	Diff line change
`@@ -160,8 +160,8 @@ method的语法如下：`
`160`	`160`	`v := 0.00`
`161`	`161`	`k := Color(WHITE)`
`162`	`162`	`for _, b := range bl {`
`163`		`-if b.Volume() > v {`
`164`		`-v = b.Volume()`
	`163`	`+if bv := b.Volume(); bv > v {`
	`164`	`+v = bv`
`165`	`165`	`k = b.color`
`166`	`166`	`}`
`167`	`167`	`}`