Xcode 11 beta2 error with thread return -x

Using Swift
1

Hi all, I am trying to play around with combine framework. But got the error like image below:

45%20PM
45%20PM2306×818 83.3 KB

Is that the bug of Xcode?

2

Yeah, something funny's definitely going on here! It's possible it's the implementation of Published, but it could also be the compiler. Can you file a bug report?

3

The bug here SR-10989. I just want to post on Jira, because Xcode report bug website so ugly :slight_smile: