Swift 如何显示任何项目?
如何显示任何项目?提供的代码返回一个错误Swift 如何显示任何项目?,swift,xcode,Swift,Xcode,如何显示任何项目?提供的代码返回一个错误 func test() -> [Any] { let Num1 = Double(10.123456) let Num2 = Double(10.543221) let n1: [Any] = [Num1] let n2: [Any] = [Num2] return [n1, n2] } let var = test() print(var[0][1]) 错误: “Any”类型的值没有下标您只需
func test() -> [Any] {
let Num1 = Double(10.123456)
let Num2 = Double(10.543221)
let n1: [Any] = [Num1]
let n2: [Any] = [Num2]
return [n1, n2]
}
let var = test()
print(var[0][1])
错误:
“Any”类型的值没有下标您只需将返回类型更改为二维数组:
func test() -> [[Any]] {