get_largs (L _ ty) args = get_args ty args
get_args (HsAppTy fun arg) args = get_largs fun (arg:args)
get_args (HsParTy ty) args = get_largs ty args
- get_args (HsOpTy ty1 (L span tc) ty2) args = get_args (HsTyVar tc) (ty1:ty2:args)
- get_args ty args = (ty, reverse args)
+ get_args (HsOpTy ty1 (L span tc) ty2) args = (HsTyVar tc, ty1:ty2:args)
+ get_args ty args = (ty, args)
gadtResCtxt ty
= hang (ptext SLIT("In the result type of a data constructor:"))