if at the end of the sentence (#24428)

2019-01-04 01:49:32 +08:00
parent 6bcaf0ee52
commit 6cfde0060c
1 changed files with 10 additions and 4 deletions
--- a/guide/chinese/ruby/ruby-conditionals/index.md
+++ b/guide/chinese/ruby/ruby-conditionals/index.md
@ -21,14 +21,20 @@ Ruby有几个常用的条件。
    
    ```
 
-
-### 除非声明
+## 除非声明

 除非语句与if语句相反。它与否定的if语句相同。

 *   `ruby happy = true if !happy puts "This person is not happy" end` 以上陈述等同于以下陈述
 *   `ruby unless happy puts "This person is not happy" end`

+## 句尾条件
+
+在ruby当里我们也常将条件至于句尾
+
+*   `puts "Your fruit is an apple" if fruit == :apple`
+*   `puts "This is not an apple" unless fruit == :apple`
+
 ## 三元声明

 三元语句用作短条件语句。它写成如下