Clojure project with dashes in names (see http://stackoverflow.com/questions/12727908/lein-project-naming-guidelines)

project.clj

(defproject name-with-dashes "0.1.0-SNAPSHOT"
  :description "FIXME: write description"
  :url "http://example.com/FIXME"
  :license {:name "Eclipse Public License"
            :url "http://www.eclipse.org/legal/epl-v10.html"}
  :dependencies [[org.clojure/clojure "1.4.0"]]
  :main name-with-dashes.core)

src name_with_dashes core.clj

(ns name-with-dashes.core
  [:require [name-with-dashes.some-stuff :as ss]])

(defn -main [& args] (ss/hello))

src name_with_dashes some_stuff.clj

(ns name-with-dashes.some-stuff)

(defn hello []
  (println "Hello"))