'#' has been removed from Swift; 'greeting' already has an argument label
'#'已經(jīng)從Swift語(yǔ)言中移除; 'greeting'已經(jīng)有參數(shù)標(biāo)簽(即外部名字)了 - 這同時(shí)也能解釋從第二個(gè)參數(shù)起不加參數(shù)標(biāo)簽會(huì)報(bào)錯(cuò)。例如:
sayHello("name", "Hello")
會(huì)報(bào)錯(cuò)
missing argument label 'greeting:' in call
'#'已經(jīng)從Swift語(yǔ)言中移除; 'greeting'已經(jīng)有參數(shù)標(biāo)簽(即外部名字)了 - 這同時(shí)也能解釋從第二個(gè)參數(shù)起不加參數(shù)標(biāo)簽會(huì)報(bào)錯(cuò)。例如:
sayHello("name", "Hello")
會(huì)報(bào)錯(cuò)
missing argument label 'greeting:' in call
2015-12-24
最新回答 / RockenRoll
你可以用var arr:[Int] = [1,3,4,7,9,2,4,6,8,0]var b=arr.sort()來(lái)進(jìn)行排序
2015-12-17
最新回答 / Jim_Lau
我的數(shù)組元素為1,2,3,4,5,6,7,8,9 ? ?array.startindex為0,也就是array[0] ="1",最后一位應(yīng)該是array[8] = "9", 但是array.endindex為9,也就是array[8]和array.endindex不是一回事?!
2015-12-16
#的用法xcode提示已經(jīng)從swift 2.0移除了, 要使用例如 name name:Int的方法
2015-12-11
swift2.0更新
let userInput = "18"
let age:Int? = Int(userInput)
print ("your age \(age)")
let userInput = "18"
let age:Int? = Int(userInput)
print ("your age \(age)")
2015-12-07
最后
let a:Int = 1
print(Bool(a))
輸出true也就說(shuō)明和其他語(yǔ)言基本相通
let a:Int = 1
print(Bool(a))
輸出true也就說(shuō)明和其他語(yǔ)言基本相通
2015-12-07