Update 01_The_Basics.md

adding space
2015-08-05 17:43:43 +08:00
parent 2e5a211a89
commit cf29167b64
1 changed files with 1 additions and 1 deletions
--- a/source/chapter2/01_The_Basics.md
+++ b/source/chapter2/01_The_Basics.md
@ -670,7 +670,7 @@ if let constantName = someOptional, anotherConstantName = someOtherOptional {

 ```swift
 let possibleString: String? = "An optional string."
-let forcedString:String = possibleString! // 需要惊叹号来获取值
+let forcedString: String = possibleString! // 需要惊叹号来获取值

 let assumedString: String! = "An implicitly unwrapped optional string."
 let implicitString: String = assumedString  // 不需要感叹号