lazy thoughts

BCS ao at pathlink.com
Mon Jan 12 10:50:09 PST 2009


Reply to Andrei,

> Daniel Keep wrote:
> 
>> Maybe map should only take invariant data; that way, it's fairly
>> obvious to the user that you need to pass a block of data that isn't
>> going to be changed under the map's feet.
>> 
> That would reduce map's applicability considerably.
> 
> Andrei
> 

maybe require an explicit for lazy if the underlying stuff isn't invariant?





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