useful haskell functions that I can't seem to find in clojure

haskjure.clj

(defn group [xs]
  "splits its sequence argument into a list of lists of equal, adjacent elements."
  (partition-by identity xs))

(defn zip [xs ys]
  "makes a list of vector tuples, each tuple containing elements of both sequences occuring at the same position"
  (map vector xs ys))

(defn lines [str]
  "For a given string, split it into a vector using a newline terminator as a delimiter"
  (clojure.string/split-lines str))

(defn words [str]
  "For a given string, split it into a vector of strings using whitespace as a delimiter"
  (clojure.string/split str #" " ))