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Bad error message for tuple literals > 22 #9572

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scabug opened this issue Nov 27, 2015 · 4 comments
Closed

Bad error message for tuple literals > 22 #9572

scabug opened this issue Nov 27, 2015 · 4 comments
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2.11.8

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@scabug
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scabug commented Nov 27, 2015

The error message produced by a tuple literal of a size > 22 in Scala 2.11+ is not very useful:

Welcome to Scala 2.12.0-20151127-104857-5ad0cca2a9 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_60).
Type in expressions for evaluation. Or try :help.

scala> def x = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
<console>:11: error: object <none> is not a member of package scala
       def x = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
               ^

In 2.10 it used to be "object Tuple23 is not a member of package scala".
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scabug commented Nov 27, 2015

Imported From: https://issues.scala-lang.org/browse/SI-9572?orig=1
Reporter: @szeiger
Affected Versions: 2.11.7, 2.12.0-M3

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scabug commented Nov 27, 2015

@szeiger said:
This was prompted by Typesafe support case 5643

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scabug commented Jan 28, 2016

@szeiger said:
Related failure for type trees:

$ scala -nc -e 'def f: (Int,Int,Int,Int,Int,Int,Int,Int,Int,Int,Int,Int,Int,Int,Int,Int,Int,Int,Int,Int,Int,Int,Int) = null'
Exception in thread "main" java.lang.AssertionError: assertion failed: scala.<none>
	at scala.reflect.internal.Trees$AppliedTypeTree.<init>(Trees.scala:579)
	at scala.reflect.internal.TreeGen.mkTupleType(TreeGen.scala:293)
	at scala.tools.nsc.ast.parser.TreeBuilder.makeTupleType(TreeBuilder.scala:44)
	at scala.tools.nsc.ast.parser.Parsers$Parser$PatternContextSensitive$class.scala$tools$nsc$ast$parser$Parsers$Parser$PatternContextSensitive$$tupleInfixType(Parsers.scala:873)
...

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scabug commented Jan 28, 2016

@szeiger said:
PR: scala/scala#4927

@scabug scabug closed this as completed Feb 1, 2016
@scabug scabug added this to the 2.11.8 milestone Apr 7, 2017
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