[plt-scheme] match and xml structures

From: Matthew Flatt (mflatt at cs.utah.edu)
Date: Tue Jul 15 15:09:18 EDT 2003

At Tue, 15 Jul 2003 14:42:34 -0400, David Van Horn wrote:
> However, structure subtypes still don't seem to match.

Right. Unfortunately, we're stuck at this point.

The problem is that unit signatures don't include information about
subtypes, so `match' has no way to know about subtypes. This problem
will be solved in a new unit system, which I've been promising for some
time, but which isn't close to ready.

Matthew



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