[racket-dev] built-in syntax-parse syntax class for "match" patterns?
On Mar 31, 2011, at 2:22 AM, Carl Eastlund wrote:
> Match patterns are macro-extensible. Just about any s-expression is a
> potential match pattern. I don't think there's anything for a syntax
> class to discern, just accept whatever someone puts there, and trust
> expansion to sort out any errors.
Good point. That makes sense, thanks.
John
>
> Carl Eastlund
>
> On Thu, Mar 31, 2011 at 3:20 AM, John Clements
> <clements at brinckerhoff.org> wrote:
>> If I want to use syntax-parse to define a syntactic form that expands into a use of 'match', is there a built-in syntax class that
>> recognizes 'match' patterns? Unfortunately, searching for 'match' and 'pattern' in the syntax-parse docs isn't so helpful... :).
>>
>> John