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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
Closed

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

scabug opened this issue Sep 19, 2012 · 3 comments

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@scabug
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@scabug 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.

@scabug
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@scabug 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

@scabug
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@scabug scabug commented Oct 14, 2012

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

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

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