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[SR-1782] SwiftNSCharacterSet unrecognized selector mutableCopyWithZone #4570

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swift-ci opened this issue Jun 15, 2016 · 1 comment
Closed

[SR-1782] SwiftNSCharacterSet unrecognized selector mutableCopyWithZone #4570

swift-ci opened this issue Jun 15, 2016 · 1 comment
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@phausler
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bug Foundation RunTimeCrash

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@swift-ci
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Previous ID SR-1782
Radar None
Original Reporter ayaka (JIRA User)
Type Bug
Status Resolved
Resolution Done

Attachment: Download

Environment

Xcode version 8.0 beta (8S128d)

Additional Detail from JIRA
Votes 0
Component/s Foundation
Labels Bug, RunTimeCrash
Assignee @phausler
Priority Medium

md5: e2da46d06a88225b959e11530e4b8ede

is duplicated by:

  • SR-2058 CharacterSet.substracting crashes

Issue Description:

Steps to reproduce:

1. Create a Swift playground with the following code:

import Foundation
var nonAlphanumeric = CharacterSet.alphanumerics.inverted
nonAlphanumeric.remove(charactersIn: " ")

2. Wait for it to run
3. Crash

The current workaround is to use NSMutableCharacterSet.alphanumerics() instead

var nonAlphaNumeric = NSMutableCharacterSet.alphanumerics().inverted
nonAlphaNumeric.remove(charactersIn: " ")

I think Philippe just fixed it during a lab but wanted to make sure it gets tracked!

Thanks 😃
@phausler
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For some reason NSCharacterSet requires copyWithZone: and mutableCopyWithZone: to be overridden (even though they both could probably be implemented abstractly via the data representations.

Pushed fixes plus unit tests encapsulating this use case with commit 07f0049e

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@shahmishal shahmishal transferred this issue from apple/swift May 6, 2022
This issue was closed.
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@phausler phausler

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bug Foundation RunTimeCrash
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@phausler @swift-ci