[r6rs-discuss] #vu8 and syntax

From: AndrevanTonder <andre>
Date: Fri, 29 Jun 2007 15:36:21 -0400 (EDT)

On Fri, 29 Jun 2007, David Van Horn wrote:

> On 6/29/07, R. Kent Dybvig <dyb at cs.indiana.edu> wrote:
>>
>> Any bytevector qualifies as a pattern datum (any nonlist, nonvector,
>> nonsymbol datum) unless one takes "nonvector" as implying "nonbytevector".
>> I assume you don't mean to allow, more generally, patterns or templates
>> like #vu(3 4 x 5 6), where x is a pattern variable, since such patterns
>> and templates would be rejected when the program is read.
>
> Sorry, I missed that a bytevector is a pattern datum, but yes, my
> question was really more about syntax pattern matching and
> construction using #uv8(...) analogously to #(...).

The problem is that identifiers in bytevectors would break (program = data).

Andre
Received on Fri Jun 29 2007 - 15:36:21 UTC