andre/the-swift-programming-language-in-chinese
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替换println 为 print

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This commit is contained in:
chenyc
2015-07-21 17:35:04 +08:00
parent 0779f979ac
commit 1ffaef1bd5
16 changed files with 214 additions and 224 deletions
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40
source/chapter2/17_Optional_Chaining.md
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@ -62,9 +62,9 @@ let roomCount = john.residence!.numberOfRooms
```swift
if let roomCount = john.residence?.numberOfRooms {
println("John's residence has \(roomCount) room(s).")
print("John's residence has \(roomCount) room(s).")
} else {
println("Unable to retrieve the number of rooms.")
print("Unable to retrieve the number of rooms.")
}
// 打印 "Unable to retrieve the number of rooms.
```
@ -85,9 +85,9 @@ john.residence = Residence()
```swift
if let roomCount = john.residence?.numberOfRooms {
println("John's residence has \(roomCount) room(s).")
print("John's residence has \(roomCount) room(s).")
} else {
println("Unable to retrieve the number of rooms.")
print("Unable to retrieve the number of rooms.")
}
// 打印 "John's residence has 1 room(s)"。
```
@ -119,7 +119,7 @@ class Residence {
return rooms[i]
}
func printNumberOfRooms() {
println("The number of rooms is \(numberOfRooms)")
print("The number of rooms is \(numberOfRooms)")
}
var address: Address?
}
@ -173,9 +173,9 @@ class Address {
```swift
let john = Person()
if let roomCount = john.residence?.numberOfRooms {
println("John's residence has \(roomCount) room(s).")
print("John's residence has \(roomCount) room(s).")
} else {
println("Unable to retrieve the number of rooms.")
print("Unable to retrieve the number of rooms.")
}
// 打印 "Unable to retrieve the number of rooms。
```
@ -191,7 +191,7 @@ if let roomCount = john.residence?.numberOfRooms {
```swift
func printNumberOfRooms(){
println(“The number of rooms is \(numberOfRooms)”)
print(“The number of rooms is \(numberOfRooms)”)
}
```
@ -201,9 +201,9 @@ func printNumberOfRooms(){
```swift
if john.residence?.printNumberOfRooms?() {
println("It was possible to print the number of rooms.")
print("It was possible to print the number of rooms.")
} else {
println("It was not possible to print the number of rooms.")
print("It was not possible to print the number of rooms.")
}
// 打印 "It was not possible to print the number of rooms."。
```
@ -220,9 +220,9 @@ if john.residence?.printNumberOfRooms?() {
```swift
if let firstRoomName = john.residence?[0].name {
println("The first room name is \(firstRoomName).")
print("The first room name is \(firstRoomName).")
} else {
println("Unable to retrieve the first room name.")
print("Unable to retrieve the first room name.")
}
// 打印 "Unable to retrieve the first room name."。
```
@ -238,9 +238,9 @@ johnsHouse.rooms += Room(name: "Kitchen")
john.residence = johnsHouse
if let firstRoomName = john.residence?[0].name {
println("The first room name is \(firstRoomName).")
print("The first room name is \(firstRoomName).")
} else {
println("Unable to retrieve the first room name.")
print("Unable to retrieve the first room name.")
}
// 打印 "The first room name is Living Room."。
```
@ -263,9 +263,9 @@ if let firstRoomName = john.residence?[0].name {
```swift
if let johnsStreet = john.residence?.address?.street {
println("John's street name is \(johnsStreet).")
print("John's street name is \(johnsStreet).")
} else {
println("Unable to retrieve the address.")
print("Unable to retrieve the address.")
}
// 打印 "Unable to retrieve the address.”。
```
@ -285,9 +285,9 @@ john.residence!.address = johnsAddress
```swift
if let johnsStreet = john.residence?.address?.street {
println("John's street name is \(johnsStreet).")
print("John's street name is \(johnsStreet).")
} else {
println("Unable to retrieve the address.")
print("Unable to retrieve the address.")
}
// 打印 "John's street name is Laurel Street."。
```
@ -303,7 +303,7 @@ if let johnsStreet = john.residence?.address?.street {
```swift
if let buildingIdentifier = john.residence?.address?.buildingIdentifier() {
println("John's building identifier is \(buildingIdentifier).")
print("John's building identifier is \(buildingIdentifier).")
}
// 打印 "John's building identifier is The Larches."。
```
@ -312,7 +312,7 @@ if let buildingIdentifier = john.residence?.address?.buildingIdentifier() {
```swift
if let upper = john.residence?.address?.buildingIdentifier()?.uppercaseString {
println("John's uppercase building identifier is \(upper).")
print("John's uppercase building identifier is \(upper).")
}
// 打印 "John's uppercase building identifier is THE LARCHES."。
```