On 06/04/2012 09:50 PM, Jon Rafkind wrote:
> On 06/04/2012 09:48 PM, Eli Barzilay wrote:
>> A few minutes ago, Jon Rafkind wrote:
>>> Also that example is somewhat bizarre.. I think the (clock a ...)
>>> template should be (get-clock) instead of ((get-clock) a ...),
>>> right?
>> No -- with that ch
On 06/04/2012 09:48 PM, Eli Barzilay wrote:
> A few minutes ago, Jon Rafkind wrote:
>> Also that example is somewhat bizarre.. I think the (clock a ...)
>> template should be (get-clock) instead of ((get-clock) a ...),
>> right?
> No -- with that change you get a weird identifier macro where
>
>
A few minutes ago, Jon Rafkind wrote:
>
> Also that example is somewhat bizarre.. I think the (clock a ...)
> template should be (get-clock) instead of ((get-clock) a ...),
> right?
No -- with that change you get a weird identifier macro where
clock
evaluates to (for example) 0, and
(clock
10 minutes ago, Harry Spier wrote:
> [...]
> If I now remove the line in the macro " [(clock a ...) ((get-clock)
> a ...)]" then entering:either clock or (clock) at the evaluation
> prompt returns 0. Why is it that (clock) doesn't still fail with
> "procedure application: expected procedure, give
I think its because without the (clock a ...) pattern the input (clock) is
matched to the pattern 'clock' which matches by default. The pattern for just a
lone identifier should be (in terms of syntax/parse) 'clock:identifier'. The
docs for make-set!-transformer suggest to use a fender expressio
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