Re: 'first vs 'nth on maps

2009-04-22 Thread Victor Rodriguez
On Mon, Apr 20, 2009 at 5:17 PM, Hugh Winkler hwink...@gmail.com wrote: On Mon, Apr 20, 2009 at 1:59 PM, David Nolen dnolen.li...@gmail.com wrote: Maps aren't ordered so this isn't a good idea anyway. It's a good idea if you have a sorted map. My example should have used sorted-map. The

Re: 'first vs 'nth on maps

2009-04-22 Thread e
i've noticed a pattern in explanations in clojure that interface and runtime are related. Is that the point being made here? Make expensive things hard or at least explicit? Maybe instead of nth, since that causes controversy, call it find-nth or something? On Wed, Apr 22, 2009 at 12:58

Re: 'first vs 'nth on maps

2009-04-21 Thread David Nolen
On Mon, Apr 20, 2009 at 5:17 PM, Hugh Winkler hwink...@gmail.com wrote Thanks! I think 'nth ought to behave just like 'first and 'second, don't you? If it's a good idea for 'first it's a good idea for 'nth. It does seems like a reasonable behavior for sorted-set and sorted-map, but what else

Re: 'first vs 'nth on maps

2009-04-20 Thread Hugh Winkler
On Mon, Apr 20, 2009 at 1:59 PM, David Nolen dnolen.li...@gmail.com wrote: Maps aren't ordered so this isn't a good idea anyway. It's a good idea if you have a sorted map. My example should have used sorted-map. The reason first/second work is because they call seq on the collection. (key