272 lines
8.4 KiB
Clojure
272 lines
8.4 KiB
Clojure
[["01_equalities" {"__" [true
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2
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5
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true
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false
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true
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true
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false
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"hello"
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"hello"
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nil
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3]}]
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["02_strings" {"__" ["hello"
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"world"
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"Cool "
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"right?"
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0
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11
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false
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6 11
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"123"
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", "
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"1" "2" "3"
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"olleh"
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"hello"
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13
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nil
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"hello world"
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true
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false
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false
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"a"
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true
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true
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false]}]
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["03_lists" {"__" [1 2 3 4 5
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1
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[2 3 4 5]
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3
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0
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()
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[:a :b :c :d :e]
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[:e :a :b :c :d]
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:a
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[:b :c :d :e]
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"No dice!"
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()]}]
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["04_vectors" {"__" [1
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[1]
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[nil nil]
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2
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[111 222 333]
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:peanut
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:jelly
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:jelly
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[:butter :and]
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3]}]
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["05_sets" {"__" [[3]
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3
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#{1 2 3 4 5}
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#{1 2 3 4 5}
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#{2 3}
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#{1 4}]}]
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["06_maps" {"__" [:b 2
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1
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2
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2
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1
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1
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"Sochi"
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nil
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:key-not-found
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true
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false
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"February"
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1 "January"
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:c 3
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2
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2010 2014 2018
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"PyeongChang" "Sochi" "Vancouver"
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2 3]}]
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["07_functions" {"__" [81
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20
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10
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60
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15
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30]
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"___" [+
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*
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(fn [f] (f 5))
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(fn [f] (f 5))]}]
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["08_conditionals" {"__" [:a
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[]
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nil
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:glory
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4 6 :your-road
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1
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:bicycling
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"is that even exercise?"]}]
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["09_higher_order_functions" {"__" [4 8 12
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(* x x)
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[false false true false false]
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()
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[:anything :goes :here]
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(< x 31)
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(* 10 x) (< x 4)
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24
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100
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(count a) (count b)]}]
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["10_runtime_polymorphism" {"__" [(str (:name a) " eats veggies.")
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(str (:name a) " eats animals.")
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(str "I don't know what " (:name a) " eats.")
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"Hello World!"
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"Hello, you silly world."
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"Hello to this group: Peter, Paul, Mary!" ]}]
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["11_lazy_sequences" {"__" [[1 2 3 4]
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[0 1 2 3 4]
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10
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95
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(range 20)
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:a]
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"___" [(fn [x] x)]}]
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["12_sequence_comprehensions" {"__" [[0 1 2 3 4 5]
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(* x x)
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(range 10)
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(odd? x) (* x x)
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[row column]
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]}]
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["13_creating_functions" {"__" [true false true
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4
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:a :b :c :d
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:c :d
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4
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8]
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"___" [(complement nil?)
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multiply-by-5
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(comp dec square)]}]
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["14_recursion" {"__" [true
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acc
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(loop [coll coll
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acc ()]
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(if (seq coll)
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(recur (rest coll) (conj acc (first coll)))
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acc))
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(loop [n n
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acc 1]
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(if (zero? n)
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acc
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(recur (dec n) (* acc n))))]
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"___" [not]}]
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["15_destructuring" {"__" [":bar:foo"
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(format (str "An Oxford comma list of %s, "
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"%s, "
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"and %s.")
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a b c)
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(apply str
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(interpose " "
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(apply list
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first-name
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last-name
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(interleave (repeat "aka") aliases))))
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{:original-parts full-name
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:named-parts {:first first-name :last last-name}}
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(str street-address ", " city ", " state)
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city state
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(str street-address ", " city ", " state)]
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"___" [(fn [[fname lname]
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{:keys [street-address city state]}]
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(str fname " " lname ", "
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street-address ", " city ", " state))
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]}]
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["16_refs" {"__" ["hello"
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"hello"
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"better"
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"better!!!"
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(dosync (ref-set the-world 0))
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(map :jerry [@the-world @bizarro-world])
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]
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"___" [(fn [x] (+ 20 x))]}]
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["17_atoms" {"__" [0
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1
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(swap! atomic-clock (partial + 4))
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20
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20
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atomic-clock 20 :fin
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]}]
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["18_quote" {"__" ['(1 2 3 4 5)
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(1 2 3 4 5)
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'age
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quote
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'(+ 2 3)
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1 2 3
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1 5]}]
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["19_datatypes" {"__" [(print
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(str "You're really the "
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(.category this)
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", " recipient "... sorry."))
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"peace"
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"literature"
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"physics"
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nil
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[true false]
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(str "Congratulations on your Best Picture Oscar, "
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"Evil Alien Conquerors!")]}]
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["20_java_interop" {"__" [java.lang.String
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"SELECT * FROM"
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10
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1024
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]
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"___" [#(.toUpperCase %)
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]}]
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["21_partition" {"__" [partition
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[:a :b :c]
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'((0 1 2) (3 4))
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5
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:hello
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(6 :these :are)
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]}]
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["22_group_by" {"__" [odd?
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{5 ["hello" "world"] 3 ["foo" "bar"]}
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{1 [{:name "Bob" :id 1}
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{:last-name "Smith" :id 1}]
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2 [{:name "Jennifer" :id 2}]}
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nil
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{:naughty-list [{:name "Jimmy" :bad true}
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{:name "Joe" :bad true}]
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:nice-list [{:name "Jane" :bad false}]}]}]
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["23_meta" {"__" [{:league "National League"}
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{:division "West"}
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"This doesn't implement the IObj interface"
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{:foo :bar}
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nil
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\C
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inc
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:park "AT&T Park"
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'Giants
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"Giants"]}]
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["24_macros" {"__" [~(first form)
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~(nth form 2)
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form
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(drop 2 form)
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"Hello, Macros!"
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10
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'(+ 9 1)
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'(* 10 2)
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'(+ 10 (2 * 3))]}]
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]
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