[nem-bug] [Nemerle 0000534]: evil warning for unused clause, related to null pattern

[feedback at nemerle.org]

The following issue has been RESOLVED.
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<http://nemerle.org/bugs/view.php?id=534> 
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Reported By:                malekith
Assigned To:                nazgul
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Project:                    Nemerle
Issue ID:                   534
Category:                   Compiler (match compiler)
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     resolved
Resolution:                 fixed
Fixed in Version:           
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Date Submitted:             09-20-2005 00:00 CEST
Last Modified:              11-23-2006 18:26 CET
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Summary:                    evil warning for unused clause, related to null
pattern
Description: 
  public variant FunBody
  {
    | ILed
    | Abstract
  }

  def foo (x : FunBody) {
    match (x) {
      | null  // this is for parsed events without accessors
      | FunBody.Abstract => {}
      | FunBody.ILed => {}
    }
  }


foo (null);
foo (null);
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----------------------------------------------------------------------
 nazgul - 09-20-05 00:03 
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yap, I was hoping that Marcin's patch, which is fixing it could be applied
soon... but it seems it is not clear which one is ok.

----------------------------------------------------------------------
 nazgul - 11-23-06 18:26 
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Looks like there is no evil warning now and null is handled properly.
Added test case in r6984.

Issue History
Date Modified  Username       Field                    Change              
======================================================================
09-20-05 00:00 malekith       New Issue                                    
09-20-05 00:03 nazgul         Note Added: 0000975                          
10-03-05 19:34 nazgul         Status                   new => confirmed    
11-23-06 18:26 nazgul         Status                   confirmed => resolved
11-23-06 18:26 nazgul         Resolution               open => fixed       
11-23-06 18:26 nazgul         Assigned To               => nazgul          
11-23-06 18:26 nazgul         Note Added: 0001517                          
======================================================================