Scheme - Re: Separate compilation

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Re: Separate compilation

Joe Marshall

2004-10-27, 3:59 pm

Antoun Kanawati <NO.antounk.SPAM@comcast.net> writes:

> Is there a fundamental difference between a Scheme macro expander and
> an executable Scheme procedure?

Yes. Supposing that foo, bar, and baz are not special syntax, then
in this expression:

(foo (bar baz))

The value of foo cannot affect whether bar is applied to baz.

But if foo is a macro, the subform (bar baz) could mean anything.

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