[Haskell-cafe] Re: Processing of large files
Hal Daume III
hdaume at ISI.EDU
Wed Nov 3 15:08:35 EST 2004
you can steal my version of finitemap:
which is based on the GHC version, but supports strict operations.
the strict version of function f is called f'. i've also added some ops i
thought were missing.
On Wed, 3 Nov 2004, Scott Turner wrote:
> On 2004 November 03 Wednesday 09:51, Alexander Kogan wrote:
> > merge' a x = (addToFM (+) $! a) x 1
> > is not strict.
> > Can I do something to make FiniteMap strict?
> > Or the only way is to make my own StrictFiniteMap?
> You can replace
> addToFM_C (+) a x 1
> let a' = addToFM_C (+) a x 1 in
> lookupFM a' x `seq` a'
> or you can generalize that into your own strict version of addToFM_C. It's a
> little ugly, but probably gets the job done.
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Hal Daume III | hdaume at isi.edu
"Arrest this man, he talks in maths." | www.isi.edu/~hdaume
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