swiftlang/swift

[SR-978] Warn on do {} with only one empty catch {} block

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#43 590 ouverte le 18 mars 2016

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compilerdiagnostics qualitydo catchgood first issueimprovementmissing warningstatementsswift 5.9

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Description

Previous ID SR-978
Radar None
Original Reporter @jckarter
Type Improvement
Votes 0
Component/s Compiler
Labels Improvement, StarterBug
Assignee MultiColourPixel (JIRA)
Priority Medium

md5: d5f41243d2aaf067f1ecd57198c44970

Issue Description:

Eric Knapp caught some sample code in the wild unwisely using an empty catch block to swallow errors:

https://twitter.com/ejknapp/status/710589235464523776

We should warn on this to encourage people to use try! to trap on unexpected errors instead.

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