Right... except that I completely misread your first example, which is not at all the same as my example with `cons` patterns. Sorry about that.
On Thu, Dec 31, 2020 at 2:06 PM Jon Zeppieri <[email protected]> wrote: > > On Wed, Dec 30, 2020 at 2:24 PM David Storrs <[email protected]> wrote: > > > > First off, is there a way to make ... in a pattern match non-greedily? > > i.e., match as *few* elements as possible instead of as many? > > As far as I know, no. However, if your first example is really > illustrative of what you're trying to do, you could just use a `cons` > pattern instead of a `list` pattern: > > (match (list '(a b c) '(d e c)) > [(list (cons _ xs) (cons _ ys)) > #:when (equal? xs ys) > 'ok] > [else 'nope]) > => 'nope -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/CAKfDxxw3Pywy_Hh%3D7H3CRKT2OfnqAksb3r2jwMrqvrNvDqdt7g%40mail.gmail.com.
