>From the book Clojure Programming <http://www.clojurebook.com/>, Page 101 :
*"It is a common mistake for Clojure programmers to initially believe that > contains? always searches for the presence of a value in a collection, that > is, that it would be appropriate to use to determine if the vector [0 1 2 > 3] contained a particular numeric value. This misconception can lead to > some very confusing results:* > > *(contains? [1 2 3] 3)* > *;= false* > > *(contains? [1 2 3] 2)* > *;= true* > > *(contains? [1 2 3] 0)* > *;= true* > > *Of course, the results above are correct, since contains? is only > checking to see if any mapping exists for the provided key—in this case, > the indices 3, 2, and 0. To check for the existence of a particular value > in a collection, it is typical to use some* > -- 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
