[nem-bug] [Nemerle 0000982]: Don't work constraint on value type

feedback at nemerle.org feedback at nemerle.org
Mon Apr 30 11:58:36 CEST 2007


The following issue has been RESOLVED.
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<http://nemerle.org/bugs/view.php?id=982> 
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Reported By:                VladD2
Assigned To:                malekith
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Project:                    Nemerle
Issue ID:                   982
Category:                   Compiler
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     resolved
Resolution:                 fixed
Fixed in Version:           
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Date Submitted:             03-31-2007 07:42 CEST
Last Modified:              04-30-2007 11:58 CEST
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Summary:                    Don't work constraint on value type
Description: 
public FindValue[T](this seq : SCG.IEnumerable[T], predicate : T -> bool) 
  : T? // E: typing constraint on T not satisfied, upon instantiation 
       // of System.Nullable: System.Object is not a subtype of
System.ValueType [simple require]
  where T : struct
{
  foreach (item in seq)
    when (predicate(item))
      return item;

  null;
}
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----------------------------------------------------------------------
 malekith - 04-30-07 11:58 
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Resolved on trunk, r7630.

Issue History
Date Modified  Username       Field                    Change              
======================================================================
03-31-07 07:42 VladD2         New Issue                                    
04-30-07 11:58 malekith       Status                   new => resolved     
04-30-07 11:58 malekith       Resolution               open => fixed       
04-30-07 11:58 malekith       Assigned To               => malekith        
04-30-07 11:58 malekith       Note Added: 0001861                          
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