Minor cleanup
- Simplify
mkBuildExpr
, the functionnewTyVars
was called only on a one-element list. - TTG: use
noExtCon
in more places. This is more future-proof. - In
zonkExpr
, panic instead of printing a warning.
mkBuildExpr
, the function newTyVars
was called only on a one-element list.noExtCon
in more places. This is more future-proof.zonkExpr
, panic instead of printing a warning.