On Wed, May 4, 2016, at 10:41 AM, Jan E. Schotsman via swift-users
wrote:
> Hello,
>
> This code causes a segmentation fault:
>
> struct MyHeapElement<T:Comparable>
> {
> var index:Int
> var key:T
> }
>
> struct MyHeap<T:Comparable>
> {
> var elements = [MyHeapElement<T>]()
> }
>
> extension MyHeap
> {
> init( withElements elements:[MyHeapElement<T>] )
> {
> self.elements = elements
> }
> }
>
> Do I have a syntax error somewhere or is this a compiler bug (apart
> from that ideally the compiler should never crash)?
>
> Swift 2.1-2.2
>
> Jan E.
> _______________________________________________
> swift-users mailing list
> swift-users@swift.org
> https://lists.swift.org/mailman/listinfo/swift-users
Drop the extension and move the initializer to the MyHeap struct and it
compiles for me on Swift 3.0. To me that indicates the answer to your
first question: I would think you do not have a syntax error. That is:
struct MyHeapElement <T:Comparable> {
var index: Int
var key: T
}
struct MyHeap <T:Comparable> {
var elements = [MyHeapElement<T>]()
init(withElements elements: [MyHeapElement<T>]) {
self.elements = elements
}
}
Regardless of whether it is or not you should file the bug at
bugs.swift.org. As you say the compiler should never crash.
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