Clojure 1.2.0
user=> (require 'midje.sweet)
nil
user=> (use midje.sweet)
java.lang.ClassNotFoundException: midje.sweet (NO_SOURCE_FILE:2)
user=> (midje.sweet/fact)
true
user=> (midje.sweet/fact (+ 1 1) => 2)
true
user=> (midje.sweet/fact (+ 1 1) => 3)

FAIL at (NO_SOURCE_FILE:5)
    Expected: 3
      Actual: 2
false
user=> (:use midje.sweet)
java.lang.ClassNotFoundException: midje.sweet (NO_SOURCE_FILE:6)
user=> (fact)
java.lang.Exception: Unable to resolve symbol: fact in this context (NO_SOURCE_FILE:7)
user=>