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[SR-9754] "nil requires a contextual type" #52183

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swift-ci opened this issue Jan 25, 2019 · 5 comments
Closed

[SR-9754] "nil requires a contextual type" #52183

swift-ci opened this issue Jan 25, 2019 · 5 comments
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself regression swift 5.0 type checker Area → compiler: Semantic analysis

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@swift-ci
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Previous ID SR-9754
Radar rdar://problem/47550715
Original Reporter Jessy (JIRA User)
Type Bug
Status Resolved
Resolution Cannot Reproduce

Attachment: Download

Environment

Swift 5 / Xcode 10.2 beta

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, 5.0Regression, TypeChecker
Assignee Jessy (JIRA)
Priority Medium

md5: 10f33275ccf292b14b8817721479ab56

Issue Description:

Swift seems to be forcing me to replace some `nil`s with `.none`s today, whereas Swift 4.2 is fine with `nil`.
@belkadan
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Thanks for filing!

@xedin
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xedin commented Jan 25, 2019

This is very interesting, for some reason conversion from `((Verify) -> Void)?` to `Process<Verify>?` fails.

@LucianoPAlmeida
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Just checked the sample on Xcode 11.4, seems to be fixed already so I think this could be resolved cc @xedin

@xedin
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xedin commented Mar 15, 2020

Thank you, @LucianoPAlmeida! Looks like this indeed has been fixed in Xcode 11.4. Jessy (JIRA User) Could you please verify?

@swift-ci
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Comment by Jessy Catterwaul (JIRA)

Yes. All good now

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself regression swift 5.0 type checker Area → compiler: Semantic analysis
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@xedin @belkadan @LucianoPAlmeida @swift-ci @AnthonyLatsis