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Clojure 1.8.0 Java HotSpot(TM) 64-Bit Server VM 9.0.1+11 Docs: (doc function-name-here) (find-doc "part-of-name-here") Source: (source function-name-here) Javadoc: (javadoc java-object-or-class-here) Exit: Control+D or (exit) or (quit) Results: Stored in vars *1, *2, *3, an exception in *e user=> (+ 1 2) 3 user=> (map #(+ 1 %) [1 2 3]) (2 3 4) user=> (if true 'a 'b) a user=> (if false 'a 'b) b user=> "a" "a" user=> 'a a user=> a CompilerException java.lang.RuntimeException: Unable to resolve symbol: a in this context, compiling:(null:0:0) user=> [1,2,3] [1 2 3] user=> (nth [1,2,3] 0) 1 user=> (nth [1,2,3] 1) 2 user=> (nth [1,2,3] 2) 3 user=> (nth [1,2,3] 3) IndexOutOfBoundsException clojure.lang.PersistentVector.arrayFor (PersistentVector.java:158) user=> (def myvec [1,2,3]) #'user/myvec user=> myvec [1 2 3] user=> 'myvec myvec user=> (+ 1 2) 3 user=> '(+ 1 2) (+ 1 2) user=> (eval '(+ 1 2)) 3 user=> (read-string "(+ 1 2)") (+ 1 2) user=> (eval (read-string "(+ 1 2)")) 3 user=> '(+ 1 2) (+ 1 2) user=> (list '+ 1 2) (+ 1 2) user=> (def ourvar true) #'user/ourvar user=> (if ourvar 'a 'b) a user=> (if ourvar #_=> (do (println "Hi there.") 'a) #_=> 'b) Hi there. a user=> (= true true) true user=> (= 1 1) true user=> (= 1 2) false user=> (= 1 true) false user=> (if 1 "yes" "no") "yes" user=> (if false "yes" "no") "no" user=> (if ["a"] "yes" "no") "yes" user=> (if nil "yes" "no") "no" user=> (or false ["a"]) ["a"] user=> (or false true) true user=> (or false nil) nil user=> (or false false) false user=> (or false ["a"] ["b"]) ["a"] user=> (or false ["a"] true) ["a"] user=> (or false ["b"] ["a"] true) ["b"] user=> (or false nil false) false user=> (or false false ["b"]) ["b"] user=> (or false false (+ 1 2)) 3 user=> (/ 3 2) 3/2 user=> (float (/ 3 2)) 1.5 user=> (type (/ 3 2)) clojure.lang.Ratio user=> (* (/ 3 2) 2) 3N user=> (float (* (/ 3 2) 2)) 3.0 user=> (type (* (/ 3 2) 2)) clojure.lang.BigInt user=> 3/2 3/2 user=> (* 3/2 2) 3N user=> (* 3/2 3) 9/2 user=> (type "blah") java.lang.String user=> {"a" "b" "c" "d"} {"a" "b", "c" "d"} user=> (def map1 {"a" "b" "c" "d"}) #'user/map1 user=> (map1 "a") "b" user=> (def map1 {:a "b" :c "d"}) #'user/map1 user=> (map1 :a) "b" user=> (:a map1) "b" user=> #{'a 'a 'b 'a 'c 'd 'a} IllegalArgumentException Duplicate key: (quote a) clojure.lang.PersistentHashSet.createWithCheck (PersistentHashSet.java:68) user=> (set ['a 'a 'b 'a 'c 'd 'a]) #{a c b d} user=> (set ['a 'a 'b, 'a, 'c, 'd, 'a]) #{a c b d} user=> (def myfn (fn [x] (inc x))) #'user/myfn user=> (myfn 3) 4 user=> (defn myfn [x] (inc x)) #'user/myfn user=> (myfn 3) 4 user=> (defn myfn2 #_=> user=> (defn myfn2 [x] #_=> (let [y (inc x)] #_=> (+ x y))) #'user/myfn2 user=> (myfn2 3) 7 user=> (def z 3) #'user/z user=> (inc z) 4 user=> z 3 user=> (def v [1 2 3]) #'user/v user=> (assoc v 1 3) [1 3 3] user=> v [1 2 3] user=> (def v1 (assoc v 1 3)) #'user/v1 user=> v1 [1 3 3] |