[plt-scheme] scribble/eval - defs+int

Wonderful, thanks!

-- Éric

On Apr 27, 2010, at 22:50, Matthew Flatt <mflatt at cs.utah.edu> wrote:

> At Tue, 27 Apr 2010 22:31:30 -0400, Eric Tanter wrote:
>> I'm trying to figure out a way to insert some text in between Scheme
>> definitions: that is, have some definitions (@schemeblock or  
>> equivalent), with
>> their explanations (text mode), and then an interaction, like  
>> @interaction,
>> except that it should be aware of the preceeding definitions.
>>
>> I found out about @defs+int but it forces all definitions and the  
>> expr to be
>> defined in one shot.
>>
>> What would be the best way to do that?
>
> You need to use `#:eval'. Example below.
>
> ----------------------------------------
>
> #lang scribble/manual
> @(require scribble/eval)
>
> @(define ex-eval (make-base-eval))
>
> First, we define @scheme[x]:
>
> @interaction[
> #:eval ex-eval
> (define x 1)
> ]
>
> Next, we use it:
>
> @interaction[
> #:eval ex-eval
> x
> ]
>
> @(close-eval ex-eval)
>