少一段

2019-10-30 17:17:46 +08:00
parent dfd3383bd0
commit 8d0a87909e
1 changed files with 7 additions and 0 deletions
--- a/source/01_welcome_to_swift/03_a_swift_tour.md
+++ b/source/01_welcome_to_swift/03_a_swift_tour.md
@ -87,6 +87,13 @@ var occupations = [
 occupations["Jayne"] = "Public Relations"
 ```

+数组在添加元素时会自动变大。
+
+```swift
+shoppingList.append("blue paint")
+print(shoppingList)
+```
+
 使用初始化语法来创建一个空数组或者空字典。

 ```swift