[Haskell-cafe] Usage of rewrite rule specialization in Hackage

wren ng thornton wren at freegeek.org
Fri May 6 02:21:59 CEST 2011

On 5/5/11 10:36 AM, Scott Kilpatrick wrote:
> I'm looking for "real" code that uses the kind of GHC rewrite rule
> that specializes a polymorphic function with another one, as described
> here<http://www.haskell.org/ghc/docs/latest/html/users_guide/rewrite-
> rules.html#rule-spec>.  Can anyone point me to any popular packages in
> Hackage that make use of this?

Perhaps not the easiest example to look through, but just check out the 
base package. In particular, there are a number of functions which get 
specialized implementations for Int, Int#, Word, etc.

Live well,

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