andre/the-swift-programming-language-in-chinese
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

错别字及错误标记修改

Browse Source
This commit is contained in:
RockyMyx
2014-06-25 13:22:23 +08:00
parent b306b94a3e
commit 895edb7746
1 changed files with 7 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
source/chapter2/21_Protocols.md
View File

@ -390,7 +390,7 @@ protocol TextRepresentable {
```swift ```swift
extension Dice: TextRepresentable { extension Dice: TextRepresentable {
cun asText() -> String { func asText() -> String {
return "A \(sides)-sided dice" return "A \(sides)-sided dice"
} }
} }
@ -428,14 +428,14 @@ struct Hamster {
return "A hamster named \(name)" return "A hamster named \(name)"
} }
} }
extension Hamster: TextRepresentabl {} extension Hamster: TextRepresentable {}
``` ```
从现在起，`Hamster`的实例可以作为`TextRepresentable`类型使用 从现在起，`Hamster`的实例可以作为`TextRepresentable`类型使用
```swift ```swift
let simonTheHamster = Hamster(name: "Simon") let simonTheHamster = Hamster(name: "Simon")
let somethingTextRepresentable: TextRepresentabl = simonTheHamester let somethingTextRepresentable: TextRepresentable = simonTheHamester
println(somethingTextRepresentable.asText()) println(somethingTextRepresentable.asText())
// 输出 "A hamster named Simon" // 输出 "A hamster named Simon"
``` ```
@ -483,7 +483,7 @@ protocol PrettyTextRepresentable: TextRepresentable {
} }
``` ```
`遵循``PrettyTextRepresentable`协议的同时，也需要`遵循`TextRepresentable`协议。 遵循`PrettyTextRepresentable`协议的同时，也需要遵循`TextRepresentable`协议。
如下所示，用`扩展`为`SnakesAndLadders`遵循`PrettyTextRepresentable`协议: 如下所示，用`扩展`为`SnakesAndLadders`遵循`PrettyTextRepresentable`协议:
@ -575,7 +575,7 @@ wishHappyBirthday(birthdayPerson)
class Circle: HasArea { class Circle: HasArea {
let pi = 3.1415927 let pi = 3.1415927
var radius: Double var radius: Double
var area:≈radius } var area: Double { return pi * radius * radius }
init(radius: Double) { self.radius = radius } init(radius: Double) { self.radius = radius }
} }
class Country: HasArea { class Country: HasArea {
@ -676,7 +676,7 @@ for object in objects {
在调用`incrementForCount`方法后，`Int`型`可选值`通过`可选绑定(optional binding)`自动拆包并赋值给常量`amount`。 在调用`incrementForCount`方法后，`Int`型`可选值`通过`可选绑定(optional binding)`自动拆包并赋值给常量`amount`。
当`incrementForCount`不能被调用时，尝试使用`可选属性``fixedIncrement`来代替。 当`incrementForCount`不能被调用时，尝试使用可选属性`fixedIncrement`来代替。
`ThreeSource`实现了`CounterDataSource`协议，如下所示: `ThreeSource`实现了`CounterDataSource`协议，如下所示:
@ -729,4 +729,4 @@ for _ in 1...5 {
// -1 // -1
// 0 // 0
// 0 // 0
``` ```