Actually its kind of tempting to do:
type tlist = Empty | Cons of t * tlist | Var of int
type t =
| BTYP_tuple of tlist
| BTYP_sum of tlist | ...
| BTYP_var of int
...
This introduces a type list variable (which is NOT a type variable).
However when one is spotted we'd convert it to a type variable.
Basically:
tail (BTYP_tuple (Cons (h,t)) -> BTYP_tuple t
(BTYP_tuple (Var i)) -> BTYP_var i
--
john skaller
skal...@users.sourceforge.net
http://felix-lang.org
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