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[SR-12381] Enum pattern matching in return statements #54817

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swift-ci opened this issue Mar 19, 2020 · 4 comments
Closed

[SR-12381] Enum pattern matching in return statements #54817

swift-ci opened this issue Mar 19, 2020 · 4 comments
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compiler The Swift compiler in itself duplicate Resolution: Duplicates another issue expressions Feature: expressions feature A feature request or implementation pattern matching Feature: pattern matching swift evolution proposal needed Flag → feature: A feature that warrants a Swift evolution proposal

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@swift-ci
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swift-ci commented Mar 19, 2020 •
edited by AnthonyLatsis

Previous ID SR-12381
Radar rdar://problem/60832839
Original Reporter andrewjmeier (JIRA User)
Type New Feature
Status Resolved
Resolution Duplicate
Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels New Feature
Assignee None
Priority Medium

md5: 69cc01716679da7d91cfaa3a3aa5b829

duplicates:

  • SR-4644 Create an expression for checking enum cases

Issue Description:

It would be nice to be able to use pattern matching within return statements so that this code could be simplified.

if case .car = vehicle {
  return true
} else {
  return false
}

vs

return case .car = vehicle
@CodaFi
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CodaFi commented Mar 24, 2020

Have you pitched this idea to swift evolution?

@beccadax
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@swift-ci create

@swift-ci
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Comment by Andrew Meier (JIRA)

I haven’t

@rjmccall
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rjmccall commented Apr 1, 2020 •
edited by AnthonyLatsis

The request here is for a language feature for testing whether an enum is in a particular case. That's #47221.

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@AnthonyLatsis AnthonyLatsis added duplicate Resolution: Duplicates another issue feature A feature request or implementation parser Area → compiler: The legacy C++ parser type checker Area → compiler: Semantic analysis swift evolution proposal needed Flag → feature: A feature that warrants a Swift evolution proposal pattern matching Feature: pattern matching expressions Feature: expressions and removed new feature parser Area → compiler: The legacy C++ parser type checker Area → compiler: Semantic analysis labels Feb 25, 2023
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compiler The Swift compiler in itself duplicate Resolution: Duplicates another issue expressions Feature: expressions feature A feature request or implementation pattern matching Feature: pattern matching swift evolution proposal needed Flag → feature: A feature that warrants a Swift evolution proposal
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@rjmccall @beccadax @CodaFi @swift-ci @AnthonyLatsis