克赛号 - swift

Tagged in

swift

iOS
克赛号 — Tue 27 November 2018

swift algorithms part 1

iOS
克赛号 — Thu 22 November 2018

swift algorithms part 0

Extension

Extension的使用方法

直接扩展某一个类

extension Int {
    func repeats(word:String)->[String]{
        return [String](repeating: word, count: self)
    }
}

扩展某一个泛型Type

extension Array where Element: Comparable {
    func linearSearch(forElement key:Element) -> Bool {
        for number in self {
            if number == key {
                return true
            }
        }
        return false
    }
}

实现类的特定protocol & 扩展struct

struct Dog {
    var name:String
}

extension Dog:Hashable {
    var …