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[SR-7230] Improve error message for statement that begins with open brace #49778

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jckarter opened this issue Mar 19, 2018 · 0 comments
Open

[SR-7230] Improve error message for statement that begins with open brace #49778

jckarter opened this issue Mar 19, 2018 · 0 comments
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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 good first issue Good for newcomers

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Previous ID SR-7230
Radar None
Original Reporter @jckarter
Type Bug
Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, DiagnosticsQoI, StarterBug
Assignee None
Priority Medium

md5: 809fd159923a9a4b4bcf2169a9eb2a66

Issue Description:

Swift doesn't allow a statement to begin with an open brace, and the error message you get when you do is hostile to beginners, talking about "unused closures" rather than the syntactic issue:

https://twitter.com/twostraws/status/975740708601593857

This is likely to come up when a user is moving code around, so the error and associated fixits could be greatly improved.
@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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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 good first issue Good for newcomers
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@jckarter