L.S.,
I sent this to the cvs-ghc list, but was - correctly - redirected here.
We're trying to write an alternative interactive front-end (alternative to
ghci). This front-end is very type-driven; terms are composed not as characters
on a prompt, but as applications of terms to terms. At every
L.S.,
I've come up with some minor progress myself, but I could still do with a
little help. The attached file is the smallest thing I could come up with to
replicate my problem.
I'm using tcMatchTy now to try and match two types, hoping to find TyVar
substitutions when the types unify. Given
