Re: [racket-users] reference before definition vs unbound

[Jay McCarthy]

I'm reasonably sure the answer is that the first is a runtime error
and the second is not. I think the runtime error gets a name from
syntax-local-infer-name, but perhaps it could/should also save the
srcloc for the message.

On Wed, Mar 15, 2017 at 5:48 PM, Dan Liebgold
 wrote:
> Hi -
>
> Is there are a reason the error for referring to an identifier before it's 
> definition doesn't get location info, whereas in an otherwise identical case 
> the unbound identifier error does?
>
> e.g.:
>
>   asdf: undefined;
>cannot reference an identifier before its definition
> in module: (submod "file.rkt" test)
>
> vs
>
>   file.rkt:87:16: asdf: unbound identifier in module
> in: asdf
>
>
> Thanks,
> Dan
>
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-- 
-=[ Jay McCarthy   http://jeapostrophe.github.io]=-
-=[ Associate ProfessorPLT @ CS @ UMass Lowell ]=-
-=[ Moses 1:33: And worlds without number have I created; ]=-

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[racket-users] reference before definition vs unbound

[Dan Liebgold]

Hi -

Is there are a reason the error for referring to an identifier before it's 
definition doesn't get location info, whereas in an otherwise identical case 
the unbound identifier error does?

e.g.:

  asdf: undefined;
   cannot reference an identifier before its definition
in module: (submod "file.rkt" test)

vs

  file.rkt:87:16: asdf: unbound identifier in module
in: asdf


Thanks,
Dan

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