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Narrow Regex.unapplySeq to take either CharSeq or Match #6406

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scabug opened this issue Sep 19, 2012 · 3 comments
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Narrow Regex.unapplySeq to take either CharSeq or Match #6406

scabug opened this issue Sep 19, 2012 · 3 comments
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@som-snytt
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blocker deprecation enhancement help wanted
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2.11.0-M1

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@scabug
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scabug commented Sep 19, 2012

It was requested to disallow at compile time:

val r = "(\\d+)".r; List(1) collect { case r(i) => i }

Regex.unapplySeq silently ignores anything that is not CharSequence or Match.

Discussion:
https://groups.google.com/forum/?fromgroups=#!topic/scala-user/F2vuVhxo_X8

Regex has always unapplied Any, so there may be a countervailing use case.
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scabug commented Sep 19, 2012

Imported From: https://issues.scala-lang.org/browse/SI-6406?orig=1
Reporter: @som-snytt
Affected Versions: 2.11.0-M1
See #8022

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scabug commented Oct 14, 2012

@som-snytt said:
scala/scala#1369

@scabug scabug closed this as completed Oct 14, 2012
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scabug commented May 17, 2013

@adriaanm said:
method brought back with correct deprecation version in scala/scala#2519

@scabug scabug added this to the 2.11.0-M1 milestone Apr 7, 2017
@scabug scabug mentioned this issue Apr 7, 2017
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@scala scala deleted a comment from scabug Jun 3, 2020
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