Dipping my toes for the first time in Clojure. Having some beginner
troubles.
THIS code works (on the repl, if that matters... also, Clojure 1.2):
(defn show [words]
(let [word (first words)]
(do
(println word)
(if (nil?
Hi,
if you recur with rest, you should use (empty?), if you recur with next,
you can use (nil?)
next is more eager than rest, but in a loop scenario, I generally use next
since we'll test for nil in order to know whether to continue to iterate or
not.
2010/8/10 chepprey jmess...@cranksters.org
Hi,
On Aug 10, 3:13 pm, Laurent PETIT laurent.pe...@gmail.com wrote:
next is more eager than rest, but in a loop scenario, I generally use next
since we'll test for nil in order to know whether to continue to iterate or
not.
I generally use next when I know that I need to realise anyway
On Aug 9, 2010, at 11:52 PM, chepprey wrote:
(defn show [words]
(let [word (first words)]
(do
(println word)
(if (nil? word)
(println DONE)
(recur (rest words))
Hi,
On Aug 10, 3:48 pm, David Sletten da...@bosatsu.net wrote:
Notice how Clojure returns two different values here. Other Lisps (such as
Common Lisp) define FIRST/REST of the empty list to both be NIL (i.e., the
empty list itself). So it is common in other Lisps to test for the end of a
To all - THANKS (especially David Sletten) for the excellent
responses! Very helpful.
--
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 -
