On Thu, Mar 11, 2010 at 3:40 PM, Kevin Downey <redc...@gmail.com> wrote:
> it's not a corner case, seq returns a seq containing more items if > there are more, or nil if there are not. have you looked at clojure's > truth table? if distinguishes from nil and not-nil, with true and > false thrown in for interop. > > > You're right. It's not a corner case. According to wikipedia, a corner case is: > A *corner case* (or *pathological case*) is a problem or situation that > occurs only outside of normal operating > parameters<http://en.wikipedia.org/wiki/Parameter>— specifically one that > manifests itself when multiple environmental > variables or conditions are simultaneously at extreme levels, even though > each parameter is within the specified range for that parameter. It's an edge case: An *edge case* is a problem or situation that occurs only at an extreme > (maximum or minimum) operating parameter. > I will note that vec and set both behave differently- when handed an empty sequence they don't return nil, they return the (not nil) empty vector or set (respectively). The specific behavior of seq being depended upon in this case is different between seq and other, similar-purpose functions. Brian -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
