Merge pull request #270 from 6yf/patch-2

合并两次b.Volume()为一次调用
2013-11-23 19:15:54 -08:00
parent db837c7a1c b72131c99f
commit 69db3f1f6a
1 changed files with 2 additions and 2 deletions
--- a/ebook/02.5.md
+++ b/ebook/02.5.md
@@ -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
 			}
 		}