For example, if we want to show a message 100 times, then we can use a loop. It's just a simple example; you can achieve much more with loops. There are 3 types of loops in Swift: for in loop while loop repeat..
swift,访问数组的元素,使用循环(for-loop)。听TED演讲,看国内、国际名校好课,就在网易公开课
importCocoavarsomeInts:[Int]=[10,20,30]forvarindex=0;index<3;++index{print("索引 [\(index)] 对应的值为 \(someInts[index])")} 以上程序执行输出结果为: 索引[0]对应的值为1 0索引[1]对应的值为2 0索引[2]对应的值为30 Swift 循环...
swift 循环 In this tutorial, we’ll be looking into the wide variety of statements that Swift has to offer. We’ll be largely coveringswift for loop,swift while,repeat-whileandswitchstatements. Open up the playground and let’s dive right in it. Earlier we looked intoSwift array. Furthermo...
前言 任何语言中最常用的就是for循环了 但是Swift的for循环语法一直在变 基本遍历 //0到9 for i ...
会出现下面这个矛盾点：前言 任何语言中最常用的就是for循环了 但是Swift的for循环语法一直在变 基本...
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Text("2个一组:\(self.nlist.chunked(into:2).description)") } } } extensionArray{ funcchunked(into size: Int)-> [[Element]] { returnstride(from:0, to:count, by: size).map{ Array(self[$0..<Swift.min($0+ size,count)]) } } } 剩余50%的内容订阅专栏后可查看...
A For in loop can be combined with the where keyword. To learn more about this, check outWhere usage in Swift. If you like to improve your Swift knowledge, even more, check out theSwift category page. Feel free tocontact meor tweet to me onTwitterif you have any additional tips or ...
溶液3（最差）：因为你的数组是空的，所以“integerArray[i]（例如i是1）”不存在。你必须写这样的...