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06，Functions，for Swift 4.0

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kemchenj
2017-09-22 21:55:58 +08:00
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source/chapter2/06_Functions.md
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@ -20,6 +20,9 @@
> 校对: [shanks](http://codebuild.me) 2016-09-27 > 校对: [shanks](http://codebuild.me) 2016-09-27
> 3.0.1，shanks，2016-11-12 > 3.0.1，shanks，2016-11-12
> 4.0
> 校对：[kemchenj](https://kemchenj.github.io/) 2017-09-21
本页包含内容： 本页包含内容：
- [函数定义与调用](#Defining_and_Calling_Functions) - [函数定义与调用](#Defining_and_Calling_Functions)
- [函数参数与返回值](#Function_Parameters_and_Return_Values) - [函数参数与返回值](#Function_Parameters_and_Return_Values)
@ -146,7 +149,7 @@ greet(person: "Dave")
```swift ```swift
func printAndCount(string: String) -> Int { func printAndCount(string: String) -> Int {
print(string) print(string)
return string.characters.count return string.count
} }
func printWithoutCounting(string: String) { func printWithoutCounting(string: String) {
let _ = printAndCount(string: string) let _ = printAndCount(string: string)