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feat：示例代码更新 (#1149)

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Sunset Wan
2021-06-26 19:52:30 +08:00
committed by GitHub
parent 872d7af8a3
commit f43cb3fdb9
1 changed files with 5 additions and 5 deletions
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10
source/02_language_guide/22_Generics.md
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@ -135,7 +135,7 @@ swapTwoValues(&someString, &anotherString)
```swift ```swift
struct IntStack { struct IntStack {
var items = [Int]() var items: [Int] = []
mutating func push(_ item: Int) { mutating func push(_ item: Int) {
items.append(item) items.append(item)
} }
@ -153,7 +153,7 @@ struct IntStack {
```swift ```swift
struct Stack<Element> { struct Stack<Element> {
var items = [Element]() var items: [Element] = []
mutating func push(_ item: Element) { mutating func push(_ item: Element) {
items.append(item) items.append(item)
} }
@ -354,7 +354,7 @@ protocol Container {
```swift ```swift
struct IntStack: Container { struct IntStack: Container {
// IntStack 的原始实现部分 // IntStack 的原始实现部分
var items = [Int]() var items: [Int] = []
mutating func push(_ item: Int) { mutating func push(_ item: Int) {
items.append(item) items.append(item)
} }
@ -386,7 +386,7 @@ struct IntStack: Container {
```swift ```swift
struct Stack<Element>: Container { struct Stack<Element>: Container {
// Stack<Element> 的原始实现部分 // Stack<Element> 的原始实现部分
var items = [Element]() var items: [Element] = []
mutating func push(_ item: Element) { mutating func push(_ item: Element) {
items.append(item) items.append(item)
} }
@ -721,7 +721,7 @@ protocol ComparableContainer: Container where Item: Comparable { }
extension Container { extension Container {
subscript<Indices: Sequence>(indices: Indices) -> [Item] subscript<Indices: Sequence>(indices: Indices) -> [Item]
where Indices.Iterator.Element == Int { where Indices.Iterator.Element == Int {
var result = [Item]() var result: [Item] = []
for index in indices { for index in indices {
result.append(self[index]) result.append(self[index])
} }