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[SR-14644] Incorrect error message when making function calls in keypath literal #56996

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swift-ci opened this issue May 18, 2021 · 1 comment
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[SR-14644] Incorrect error message when making function calls in keypath literal #56996

swift-ci opened this issue May 18, 2021 · 1 comment
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@LucianoPAlmeida
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself diagnostics QoI Bug: Diagnostics Quality of Implementation type checker Area → compiler: Semantic analysis

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@swift-ci
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Previous ID SR-14644
Radar None
Original Reporter cukier (JIRA User)
Type Bug
Status Resolved
Resolution Done
Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, DiagnosticsQoI, TypeChecker
Assignee @LucianoPAlmeida
Priority Medium

md5: 73a377b893a4dab34ff0158768ba72bf

Issue Description:

let kp = \Int.byteSwapped.byteSwapped.signum()

The code above generates two diagnostics, the second one is invalid because I have more than one components in the keypath, even if you don't count the invalid one

<source>:1:39: error: invalid component of Swift key path
let kp = \Int.byteSwapped.byteSwapped.signum()
                                      ^
<source>:1:10: error: key path must have at least one component
let kp = \Int.byteSwapped.byteSwapped.signum()
         ^

(in 5.3 the error was talking about adding explicit type to the keypath, even though the type is explicit already)
@LucianoPAlmeida
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Fixed on master by #37521
cukier (JIRA User) Can you please verify on next available snapshot and close. Thanks

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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@LucianoPAlmeida LucianoPAlmeida

Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself diagnostics QoI Bug: Diagnostics Quality of Implementation type checker Area → compiler: Semantic analysis
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@LucianoPAlmeida @swift-ci