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7413 Collections feature always 11-13-09 07:25 04-18-10 21:59
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andreas  
normal  
closed  
fixed  
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none trunk  
0007413: Sets with nils hub
- here are two different implementations for adding support of inclusion nils into Sets.

sets-with-nils-setElements.1.cs
 - use special SetElement instance to wrap around nil object

 sets-with-nils-setElements.1.cs [^] (9,069 bytes) 11-13-09 07:25
 Sets-with-nils.1.cs [^] (2,503 bytes) 11-13-09 07:26

Notes
(0013382)
sig   
11-13-09 07:27   
Sets-with-nils.1.cs
 - implementation which using a negative tally counter to indicate presence of nil in set