Details

    • Type: Bug
    • Status: CLOSED
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: Scala 2.9.1
    • Fix Version/s: Scala 2.10.0-M3
    • Component/s: None
    • Labels:
      None
    • Environment:

      Linux Mint, Scala 2.9.1

      Description

      Welcome to Scala version 2.9.1.final (Java HotSpot(TM) Client VM, Java 1.6.0_26).
      Type in expressions to have them evaluated.
      Type :help for more information.
       
      scala> import collection.mutable.{Stack,StackProxy}
      import collection.mutable.{Stack, StackProxy}
       
      scala> class A extends StackProxy[Int] {def self = Stack[Int]()}
      defined class A
       
      scala> val a = new A
      a: A = Stack()
       
      scala> a push 3
      res0: a.type = Stack()
       
      scala> a push 4
      res1: a.type = Stack()
       
      scala> a push 5
      res2: a.type = Stack()
       
      scala> a
      res3: A = Stack()
       
      scala> a pop
      java.util.NoSuchElementException: head of empty list
      	at scala.collection.immutable.Nil$.head(List.scala:371)
      	at scala.collection.immutable.Nil$.head(List.scala:368)
      	at scala.collection.mutable.Stack.pop(Stack.scala:146)
      	at scala.collection.mutable.StackProxy$class.pop(StackProxy.scala:80)
      	at A.pop(<console>:8)
      	at .<init>(<console>:11)
      	at .<clinit>(<console>)
      	at .<init>(<console>:11)
      	at .<clinit>(<console>)
      	at $print(<console>)
      	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      	at java.lang.reflect.Method.invoke(Method.java:597)
      	at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.call(IMain.scala:704)
      	at scala.tools.nsc.interpreter.IMain$Request$$anonfun$14.apply(IMain.scala:920)
      	at scala.tools.nsc.interpreter.Line$$anonfun$1.apply$mcV$sp(Line.scala:43)
      	at scala.tools.nsc.io.package$$anon$2.run(package.scala:25)
      	at java.lang.Thread.run(Thread.java:662)
       
       
      scala>
      

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              • Assignee:
                prokopec Aleksandar Prokopec
                Reporter:
                man Felix Dietze
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                Dates

                • Created:
                  Updated:
                  Resolved: