'contains?' tests if a key is in a collection. Vector is an associative data structure, with keys being indexes. A vector of length 3 has the key 2, but not key 3.
Thanks, Ambrose On Mon, Sep 3, 2012 at 7:03 PM, Goldritter < [email protected]> wrote: > I use Clojure 1.4.0 and wanted to use 'contains?' on a vector and get > following results: > > => (contains? [1 2 3] 3) > false > => (contains? [1 2 3] 2) > true > > As it seems 'contains?' does not check for the last entry in the vector. > > And an other question. > Why does contains? returns everytime 'false' when used on a list? > => (contains? (list 1 2 3) 1) > false > => (contains? (list 1 2 3) 2) > false > => (contains? (list 1 2 3) 3) > false > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to [email protected] > Note that posts from new members are moderated - please be patient with > your first post. > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to [email protected] Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/clojure?hl=en
