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;;
;; Boolean primitives.
;;
;; Boolean test.
(print "(boolean? true) -> ") (boolean? true)
(print "(boolean? false) -> ") (boolean? false)
(print "(boolean? 1) -> ") (boolean? 1)
(print "(boolean? 5) -> ") (boolean? 5)
(print "(boolean? \"string\") -> ") (boolean? "string")
(print "(boolean? (+ 1 2 3)) -> ") (boolean? (+ 1 2 3))
(print "(boolean? (not 1)) -> ") (boolean? (not 1))
;; Not.
(print "(not true) -> ") (not true)
(print "(not false) -> ") (not false)
(print "(not (not true)) -> ") (not (not true))
(print "(not (not false)) -> ") (not (not false))
(print "(not 1) -> ") (not 1)
(print "(not (not 1)) -> ") (not (not 1))
(print "(not \"string\") -> ") (not "string")
(print "(not (not \"string\")) -> ") (not (not "string"))
;; And.
(print "(and 1 \"string\" 4 true) -> ") (and 1 "string" 4 true)
(print "(and true true true) -> ") (and true true true)
(print "(and (+ 1 2 3)) -> ") (and (+ 1 2 3))
(print "(and false false false) -> ") (and false false false)
(print "(and true false false) -> ") (and true false false)
(print "(and false true false) -> ") (and false true false)
(print "(and false true true) -> ") (and false true true)
(print "(and (not false) true true) -> ") (and (not false) true true)
;; Or.
(print "(or 1 \"string\" 4 true) -> ") (or 1 "string" 4 true)
(print "(or false 1) -> ") (or false 1)
(print "(or false \"string\") -> ") (or false "string")
(print "(or false) -> ") (or false)
(print "(or true true true) -> ") (or true true true)
(print "(or false false false) -> ") (or false false false)
(print "(or true false false) -> ") (or true false false)
(print "(or false true false) -> ") (or false true false)
(print "(or false true true) -> ") (or false true true)
(print "(or (not false) true true) -> ") (or (not false) true true)
(print "(or (not true) false) -> ") (or (not true) false)
;; If.
(print "(if true true false) -> ") (if true true false)
(print "(if false true false) -> ") (if false true false)
(print "(if true (+ 1 2 3) 0) -> ") (if true (+ 1 2 3) 0)
(print "(if false (+ 1 2 3) 0) -> ") (if false (+ 1 2 3) 0)
(print "(if (or true false) (+ 1 2 3) (+ 7 8 9)) -> ") (if (or true false) (+ 1 2 3) (+ 7 8 9))
(print "(if (or false false) (+ 1 2 3) (+ 7 8 9)) -> ") (if (or false false) (+ 1 2 3) (+ 7 8 9))
(print "(if (or (+ 1 2 3) false) (+ 1 2 3) (+ 7 8 9)) -> ") (if (or (+ 1 2 3) false) (+ 1 2 3) (+ 7 8 9))
(print "(if true 7) -> ") (if true 7)
(print "(if false 7) -> ") (if false 7)
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