Abstract patterns

Ulf Wiger (AL/EAB) <>
Mon Mar 13 16:52:47 CET 2006


 
Bjorn Gustavsson wrote:
> 
> What I meant by the phrase "implement efficiently" is that 
> performance should be comparable to that of records. If that 
> indeed would be possible to achive without inlining, we would 
> be more interested in implementing abstract patterns.

But why is that a requirement in the first place?

I can imagine that being able to use abstract
patterns would greatly simplify some applications,
where using records isn't really an alternative
today anyway. 

What would be _sufficient_ performance in order 
for abstract patterns to be justified?

/Ulf W



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