前言 public struct Array<Element> : CollectionType, MutableCollectionType, _DestructorSafeContainer public class NSArray : NSObject, NSCopying, NSMutableCopying, NSSecureCoding, NSFastEnumeration 在 Swift 语言中,数据在被存储进某个数组之前,类型必须明确,且与数组其他元素类型相同.在 Swift 语
// // main.Swift // swift数组 // // Created by zhangbiao on 14-6-15. // Copyright (c) 2014年 理想. All rights reserved. // import Foundation println("数组") /* Swift 语言中的数组用来按顺序存储相同类型的数据 */ //1.定义数组 var numarr:Int[] = [1,3,5,7,9]; var strarr:String
Implement function ToLowerCase() that has a string parameter str, and returns the same string in lowercase. Example 1: Input: "Hello" Output: "hello" Example 2: Input: "here" Output: "here" Example 3: Input: "L
In a row of trees, the i-th tree produces fruit with type tree[i]. You start at any tree of your choice, then repeatedly perform the following steps: Add one piece of fruit from this tree to your baskets. If you cannot, stop. Move to the next tree t
Swift vs. Objective-C:未来看好 Swift 的十个理由 是时候使用易入手又全面的Swif语言为iOS和mac OS X做应用开发了. 虽然编程语言不会那么容易消逝,但坚持衰落范例的开发小组正在这么做.如果你正为移动设备开发应用程序,并且你还没有研究Swift,那么注意:当Swift涉及到Mac.iPhone.ipad.Apple Watch和未来设备的应用开发时,它不仅会排挤掉Objective-C,而且还会取代在Apple平台中做嵌入式开发的C语言. 由于几个关键特性,在