replace definition of error with errorWithStackTrace

[Michael Snoyman]

On Tue Dec 02 2014 at 11:05:27 AM Simon Peyton Jones <simonpj at microsoft.com>
wrote:

>  +1, as I don't see a downside. However, I don't think this change is a
> sufficient change as long as stack traces are only available for profiled
> builds. I still wish something like rewrite-with-location[1], which even
> addresses explicit stack traces directly[2]. IIRC, last time that feature
> was brought up for discussion, it stalled due to disagreements on the right
> design.
>
> I think we have something of a consensus forming around
> https://ghc.haskell.org/trac/ghc/wiki/ExplicitCallStack/ImplicitLocations,
> see #9049.   It’s simple, non-invasive, and predicatable.  It does need
> someone to implement it though.   Simon Hengel is thinking about
> implementing it.  (He is the one who also suggested “rewrite with
> location”).
>
>
>
> So I think we are stalled not so much on design but on implementation.
>
>
>
> Simon
>
>
>
That's great news, thanks for the update. I was not aware of that proposal.

Michael
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