RE: bug involving assert-equals? and map

--- Anton van Straaten <[email protected]> wrote:

> Aureliano Calvo wrote:
> > I've just download the latest snapshot using CVS.
> > Executing (map assert-equal? '(1) '(1)) on DrScheme
> > (using the PrettyBig Language) gives this error:
> >
> > assert-equal?: bad syntax in: assert-equal?
> >
> > But (assert-equal? 1 1) works fine.
> >
> > This bugs breaks the matrix-test.ss test on the
> > schemathics module.
> >
> > I'm a beginner with scheme, so I don't know how to
> > correct the macros involved.
> 
> Scheme doesn't allow you to use macros directly with 'map'.  The
> first
> argument to map has to be a procedure, whereas (I assume)
> assert-equal? is a
> macro.  So, you should be able to do this:
> 
> (map (lambda (a b) (assert-equal? a b)) '(1) '(1))

As an alternative, we could use identifier macros to turn other
occurrences of assert-equal? into functions like the one above. I'll
try to add that and check it in tonight. That will also eliminate the
need for the assert-equal?* variant, if that's still around.

Any objections?

Ryan



	
		
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