Xcode-7-beta (7A120f): [Swift] Ability to constrain protocol conformance for structs
| Originator: | segiddins | ||
| Number: | rdar://21435347 | Date Originated: | 17-Jun-2015 08:59 PM |
| Status: | Open | Resolved: | |
| Product: | Developer Tools | Product Version: | Xcode-7-beta (7A120f) |
| Classification: | Feature (New) | Reproducible: | Always |
Summary:
Let’s say I have a struct, Tree<T>. I’d like to declare Tree to be Equatable when T is Equatable.
Steps to Reproduce:
Try to compile the following code:
enum Tree<T> {}
extension Tree where T: Equatable {}
Expected Results:
The code should compile
Actual Results:
error: trailing 'where' clause for extension of non-protocol type 'Tree'
Comments
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