On Wed, Jan 4, 2012 at 12:44 AM, Yves Parès <limestr...@gmail.com> wrote: > Remove subsome type signature. You are redeclaring type variables which > obviously cannot match those of legSome. > This cannot work without scoped type variables (and ad-hoc foralls to bring > them to scope, of course).
That subsome type signature is from the original code. I wonder why the redeclared type variables cannot match those of legSome? p.s. I just realized that my changed code missed the line: > import qualified Data.Map as M _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
