On Apr 29, 2007, at 6:42 , Jonathan Lang wrote:
In effect, the signature gets attached as a property of the string,
and 'can()' checks for the signature property.
The only problem that I have with this idea is that I can't think of
any uses for a "signatory string" outside of '.can()'.
Maybe "'fribble' but :(string -> BadPoet)"?
brandon s. allbery [solaris,freebsd,perl,pugs,haskell]
system administrator [openafs,heimdal,too many hats]
electrical and computer engineering, carnegie mellon university