[英]Xcode6 swift type inference bug?
Any view controller by adding the following code: 通过添加以下代码的任何视图控制器:
The Xcode6 will stop working. Xcode6将停止工作。
Unable to compile and run. 无法编译和运行。
is a xcode problem? 是xcode问题吗?
let popularTableData = [
[
"id": 1,
"title": "xxx"
],
[
"id": 2,
"title": "xxx"
],
[
"id": 3,
"title": "xxx"
],
[
"id": 4,
"title": "xxx"
],
[
"id": 5,
"title": "xxx"
],
[
"id": 6,
"title": "xxx"
],
[
"id": 7,
"title": "xxx"
]
]
Yes, it is a bug. 是的,这是一个错误。 The Swift compiler has a problem determining the type of popularTableData
in this case. 在这种情况下,Swift编译器在确定popularTableData
的类型时popularTableData
问题。 Give it some help by explicitly declaring the type: 通过明确声明类型来为其提供帮助:
let popularTableData: [[String: AnyObject]] = [
I placed your code in a Playground, and it eventually worked (after over a minute). 我将您的代码放在一个Playground中,并且最终成功了(一分钟后)。 The compile time seems to increase exponentially with each extra dictionary element added to the array. 随着每个额外的字典元素添加到数组中,编译时间似乎成倍增加。 When you tell the compiler the type, it compiles quickly. 当您告诉编译器类型时,它会快速编译。
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