[r6rs-discuss] peculiar semantics for a predicate
R. Kent Dybvig
dyb at cs.indiana.edu
Thu Oct 25 21:35:34 EDT 2007
> According to R6RS library chapter 13, the argument to
> hashtable? *must* be a hashtable, which means the
> hashtable? predicate always returns true. When given
> a non-hashtable as an argument, it raises an exception
> instead of returning.
> I doubt whether this was the intended semantics, but
> those of us who take R6RS conformance seriously will
> implement it faithfully.
Hmm. Users might not hold failure to strictly conform to R6RS in this
instance against an implementor, so I may risk it.
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