fix：示例代码更新

fix：for -> for-in (#1146 )
2021-06-23 00:13:20 +08:00 · 2021-06-22 11:08:23 -05:00
1 changed files with 1 additions and 1 deletions
--- a/source/02_language_guide/16_Optional_Chaining.md
+++ b/source/02_language_guide/16_Optional_Chaining.md
@ -97,7 +97,7 @@ class Person {
 ```swift
 class Residence {
-    var rooms = [Room]()
+    var rooms: [Room] = []
    var numberOfRooms: Int {
        return rooms.count
    }
Author	SHA1	Message	Date
chenxi	373c42e456	fix：示例代码更新	2021-06-23 00:13:20 +08:00
Sunset Wan	a15735f51b	fix：`for` -> `for-in` (#1146 )	2021-06-22 11:08:23 -05:00