On Mar 21, 2012, at 3:20 PM, Sam Tobin-Hochstadt wrote: > On Wed, Mar 21, 2012 at 5:36 PM, John Clements > <cleme...@brinckerhoff.org> wrote: >> It looks like 'path-string?' is not labeled as a discriminator type. >> >>> path-string? >> - : (Any -> Boolean) >> #<procedure:path-string?> >>> >> >> Is this just an oversight? > > Yes, that's just an oversight, although it's slightly more complicated > than you'd think (because `(path-string? (string #\null))' is #f).
Well, I just made do with (define-predicate ps? Path-String?), so this certainly isn't a major problem. John
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