回答編集履歴
1
add url
answer
CHANGED
|
@@ -33,4 +33,10 @@
|
|
|
33
33
|
default:
|
|
34
34
|
print("other")
|
|
35
35
|
}
|
|
36
|
-
```
|
|
36
|
+
```
|
|
37
|
+
|
|
38
|
+
公式
|
|
39
|
+
if let
|
|
40
|
+
https://docs.swift.org/swift-book/LanguageGuide/TheBasics.html
|
|
41
|
+
guard
|
|
42
|
+
https://docs.swift.org/swift-book/LanguageGuide/ControlFlow.html#ID525
|