RE: Weak Pointers

[Sigbjorn Finne (Intl Vendor)]

S. Alexander Jacobson [mailto:[EMAIL PROTECTED]] writes: 
> 
> I see that weak pointers are getting added to Hugs and GHC.
> I know why weak pointers are useful in java, but why are they 
> useful in functional programming?
> 

Have a look at the documentation to find out,

 http://www.dcs.gla.ac.uk/fp/software/ghc/4.01/users_guide/libs.html

One possible use: memoisation.

--Sigbjorn