[Haskell-cafe] Debugging partial functions by the rules

[Neil Mitchell]

Hi

> I have always been wondering why error shouldn't always return a call
> stack from the occurrance of fromJust up to the function I typed into
> ghci (or up to main, for that matter).

yhi-stack (as yet unreleased) does exactly this, without requiring you
to recompile your code even.

hat-stack also does this.

Thanks

Neil