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[SR-14412] swift-corelibs-foundation’s firstRange(of:in:) and lastRange(of:in:) do not mirror macOS Foundation behavior when searched data is empty #3230

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Frizlab opened this issue Mar 28, 2021 · 0 comments
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[SR-14412] swift-corelibs-foundation’s firstRange(of:in:) and lastRange(of:in:) do not mirror macOS Foundation behavior when searched data is empty #3230

Frizlab opened this issue Mar 28, 2021 · 0 comments
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Frizlab commented Mar 28, 2021

Previous ID SR-14412
Radar None
Original Reporter @Frizlab
Type Bug
Environment

macOS: 11.2.3 (20D91), Swift version 5.3.2 (swiftlang-1200.0.45 clang-1200.0.32.28)

Linux: Docker image 2510a162d49e, Swift version 5.3.3 (swift-5.3.3-RELEASE)

Additional Detail from JIRA
Votes 0
Component/s Foundation
Labels Bug
Assignee None
Priority Medium

md5: e510ad147fb65e09109745e2fddd9fdd

Issue Description:

On macOS, with an empty searched data, `nil` is returned; on Linux (swift-5.3.3-RELEASE), an empty Range is returned.

I submitted a PR to mirror macOS’s behavior: #2992
@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@shahmishal shahmishal transferred this issue from apple/swift May 5, 2022
@Frizlab Frizlab closed this as completed Aug 15, 2022
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