[racket] Contract error messages with ->i

Okay, I've pushed a change that adds #:pre/name and #:post/name to
->i. Let me know how it works for you.

Robby

On Tue, Feb 22, 2011 at 6:17 PM, Eric Dobson <endobson at cs.brown.edu> wrote:
> I was thinking a string. I just want the ability to specify which
> invariant that the precondition was checking was broken.
>
> -Eric
>
> On Tue, Feb 22, 2011 at 7:13 PM, Robby Findler
> <robby at eecs.northwestern.edu> wrote:
>> Not currently, no. What kind of information did you have in mind?
>>
>> Robby
>>
>> On Tue, Feb 22, 2011 at 6:05 PM, Eric Dobson <endobson at cs.brown.edu> wrote:
>>> I am adding contracts to one of my libraries using the ->i combinator
>>> and using the pre-condition expression. The problem I have is that if
>>> I return false, the contract library just tells me that the
>>> precondition failed. Is there any mechanism to attach more information
>>> so that I can explain why the precondition failed?
>>>
>>> -Eric
>>> _________________________________________________
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>>
>