rotaliator

def _get_class(class_name):
    parts = class_name.split(".")
    module = ".".join(parts[:-1])
    m = __import__(module)
    for comp in parts[1:]:
        m = getattr(m, comp)
    return m

rotaliator

(defn separate-by [f coll]
    "Separates coll into two groups by predicate f
    example:
    => (separate-by odd? (range 20))
    [[1 3 5 7 9 11 13 15 17 19] [0 2 4 6 8 10 12 14 16 18]]    
    "
    (let [groups (group-by (comp boolean f) coll)]
        [(groups true) (groups false)]))

;; or