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scala.collection.immutable.HashSet#- returns broken Set #8264

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scabug opened this issue Feb 11, 2014 · 4 comments
Closed

scala.collection.immutable.HashSet#- returns broken Set #8264

scabug opened this issue Feb 11, 2014 · 4 comments
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@Ichoran
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blocker has PR library:collections
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2.11.0-RC1

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@scabug
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scabug commented Feb 11, 2014 

Welcome to Scala version 2.11.0-M8 (Java HotSpot(TM) 64-Bit Server VM, Java 1.7.0_51).
Type in expressions to have them evaluated.Type :help for more information.

scala> Set(-2147483648, 1, -45023380, -1, 1971207058, -54312241, -234243394) - -1
res0: scala.collection.immutable.Set[Int] = Set(-2147483648, 1, -45023380, 1971207058, -54312241, -234243394)
scala> res0 == res0.toList.toSet
res1: Boolean = false

scala> res0.toList.toSet == res0
res2: Boolean = true
@scabug
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scabug commented Feb 11, 2014

Imported From: https://issues.scala-lang.org/browse/SI-8264?orig=1
Reporter: kenji yoshida
Affected Versions: 2.11.0-M8

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scabug commented Feb 11, 2014

@retronym said:
Rex, could you take a look at this ahead of 2.11?

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scabug commented Feb 11, 2014

kenji yoshida said:
with 2.11.0-20140210-135824-59fc37ade7

Welcome to Scala version 2.11.0-20140210-135824-59fc37ade7 (Java HotSpot(TM) 64-Bit Server VM, Java 1.7.0_51).
Type in expressions to have them evaluated.
Type :help for more information.

scala> Set(-2147483648, 1, -45023380, -1, 1971207058, -54312241, -234243394) - -1
res0: scala.collection.immutable.Set[Int] = Set(-2147483648, 1, -45023380, 1971207058, -54312241, -234243394)

scala> res0.toList.toSet == res0
res1: Boolean = true

scala> res0 == res0.toList.toSet
res2: Boolean = false

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scabug commented Feb 14, 2014

@Ichoran said:
scala/scala#3527

@scabug scabug closed this as completed Feb 15, 2014
@scabug scabug added this to the 2.11.0-RC1 milestone Apr 7, 2017
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blocker has PR library:collections
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