[Haskell-cafe] Partially-applied type synonyms?

Chung-chieh Shan ccshan at post.harvard.edu
Mon Aug 30 21:56:28 EDT 2004

On 2004-08-30T17:09:39-0700, Lyle Kopnicky wrote:
> Unfortunately, I need 'PI r -> ContT r m', along with a and r, to be a 
> member of the MonadPCont class (PI is the type binding operator).  So I 
> thought I'd define ContT' to take the arguments the other way around.  
> Unfortunately, it can't be partially applied.

What's your definition of PI?  I suspect you simply need to define a
newtype that wraps around 'PI r -> ContT r m'.

See also:

Wadler, Philip L. 1994.  Monads and composable continuations.  Lisp and
Symbolic Computation 7(1): 39-56.

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Rich Zitola for Massachusetts State Senate (Worcester and Middlesex District)
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