clojure-koans/src/koans/01_equalities.clj
2013-03-04 17:30:00 -06:00

34 lines
812 B
Clojure

(meditations
"We shall contemplate truth by testing reality, via equality"
(= __ true)
"To understand reality, we must compare our expectations against reality"
(= __ (+ 1 1))
"You can test equality of many things"
(= (+ 3 4) 7 (+ 2 __))
"Some things may appear different, but be the same"
(= __ (= 2 2/1))
"You cannot generally float to heavens of integers"
(= __ (= 2 2.0))
"But a looser equality is also possible"
(= __ (== 2.0 2))
"Something is not equal to nothing"
(= __ (not (= 1 nil)))
"Strings, and keywords, and symbols: oh my!"
(= __ (= "foo" :foo 'foo))
"Make a keyword with your keyboard"
(= :foo (keyword __))
"Symbolism is all around us"
(= 'foo (symbol __))
"When things cannot be equal, they must be different"
(not= :fill-in-the-blank __))