clojure-koans/01_equalities.clj

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; "We shall contemplate truth by testing reality, via equality"
(= true true)
; "To understand reality, we must compare our expectations against reality"
(= 2 (+ 1 1))
; "You can test equality of many things"
(= 5 (+ 3 4) 7 (+ 2 __))
; "Some things may appear different, but be the same"
(= true (= 2 2/1))
; "You cannot generally float to heavens of integers"
(= false (= 2 2.0))
; "But a looser equality is also possible"
(= true (== 2.0 2))
; "Something is not equal to nothing"
(= true (not (= 1 nil)))
; "Strings, and keywords, and symbols: oh my!"
(= false (= "hello" :hello 'hello))
; "Make a keyword with your keyboard"
(= :hello (keyword "hello"))
; "Symbolism is all around us"
(= 'hello (symbol "hello"))
; "When things cannot be equal, they must be different"
(not= :fill-in-the-blank "anything here")