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## Base interfaces & classes
(jvm/definterface Function
(: apply (-> [java.lang.Object] java.lang.Object)))
(jvm/defclass Tuple0 java.lang.Object
[])
(jvm/defclass Tuple1 java.lang.Object
[[java.lang.Object _1]])
(jvm/defclass Tuple2 java.lang.Object
[[java.lang.Object _1] [java.lang.Object _2]])
(jvm/defclass Tuple3 java.lang.Object
[[java.lang.Object _1] [java.lang.Object _2]
[java.lang.Object _3]])
(jvm/defclass Tuple4 java.lang.Object
[[java.lang.Object _1] [java.lang.Object _2]
[java.lang.Object _3] [java.lang.Object _4]])
(jvm/defclass Tuple5 java.lang.Object
[[java.lang.Object _1] [java.lang.Object _2]
[java.lang.Object _3] [java.lang.Object _4]
[java.lang.Object _5]])
(jvm/defclass Tuple6 java.lang.Object
[[java.lang.Object _1] [java.lang.Object _2]
[java.lang.Object _3] [java.lang.Object _4]
[java.lang.Object _5] [java.lang.Object _6]])
(jvm/defclass Tuple7 java.lang.Object
[[java.lang.Object _1] [java.lang.Object _2]
[java.lang.Object _3] [java.lang.Object _4]
[java.lang.Object _5] [java.lang.Object _6]
[java.lang.Object _7]])
(jvm/defclass Tuple8 java.lang.Object
[[java.lang.Object _1] [java.lang.Object _2]
[java.lang.Object _3] [java.lang.Object _4]
[java.lang.Object _5] [java.lang.Object _6]
[java.lang.Object _7] [java.lang.Object _8]])
(jvm/defclass Variant java.lang.Object
[[java.lang.String tag]])
(jvm/defclass Variant0 lux.Variant
[])
(jvm/defclass Variant1 lux.Variant
[[java.lang.Object _1]])
(jvm/defclass Variant2 lux.Variant
[[java.lang.Object _1] [java.lang.Object _2]])
(jvm/defclass Variant3 lux.Variant
[[java.lang.Object _1] [java.lang.Object _2]
[java.lang.Object _3]])
(jvm/defclass Variant4 lux.Variant
[[java.lang.Object _1] [java.lang.Object _2]
[java.lang.Object _3] [java.lang.Object _4]])
(jvm/defclass Variant5 lux.Variant
[[java.lang.Object _1] [java.lang.Object _2]
[java.lang.Object _3] [java.lang.Object _4]
[java.lang.Object _5]])
(jvm/defclass Variant6 lux.Variant
[[java.lang.Object _1] [java.lang.Object _2]
[java.lang.Object _3] [java.lang.Object _4]
[java.lang.Object _5] [java.lang.Object _6]])
(jvm/defclass Variant7 lux.Variant
[[java.lang.Object _1] [java.lang.Object _2]
[java.lang.Object _3] [java.lang.Object _4]
[java.lang.Object _5] [java.lang.Object _6]
[java.lang.Object _7]])
(jvm/defclass Variant8 lux.Variant
[[java.lang.Object _1] [java.lang.Object _2]
[java.lang.Object _3] [java.lang.Object _4]
[java.lang.Object _5] [java.lang.Object _6]
[java.lang.Object _7] [java.lang.Object _8]])
## Base functions & macros
(defmacro (list xs)
(case xs
#Nil
(#Tag "Nil")
(#Cons x xs*)
(#Form (#Cons (#Tag "Cons") (#Cons x (#Cons (list xs*) #Nil))))))
(def (++ xs ys)
(case xs
#Nil
ys
(#Cons x xs*)
(#Cons x (++ xs* ys))))
(def (map f xs)
(case xs
#Nil
#Nil
(#Cons x xs*)
(#Cons (f x) (map f xs*))))
(def (untemplate-list untemplate tokens)
(case tokens
#Nil
(#Tag "Nil")
(#Cons token tokens')
(#Form (list (#Tag "Cons") (untemplate token) (untemplate-list untemplate tokens')))))
(def (untemplate token)
(case token
(#Bool elem)
(#Form (list (#Tag "Bool") (#Bool elem)))
(#Int elem)
(#Form (list (#Tag "Int") (#Int elem)))
(#Real elem)
(#Form (list (#Tag "Real") (#Real elem)))
(#Char elem)
(#Form (list (#Tag "Char") (#Char elem)))
(#Text elem)
(#Form (list (#Tag "Text") (#Text elem)))
(#Tag elem)
(#Form (list (#Tag "Tag") (#Text elem)))
(#Ident elem)
(#Form (list (#Tag "Ident") (#Text elem)))
(#Form (#Cons (#Ident "~") (#Cons unquoted #Nil)))
unquoted
(#Tuple elems)
(#Form (list (#Tag "Tuple") (untemplate-list untemplate elems)))
(#Form elems)
(#Form (list (#Tag "Form") (untemplate-list untemplate elems)))
))
## I/O
(def (print x)
(jvm/invokevirtual java.io.PrintStream "print" [Object]
(jvm/getstatic System out) [x]))
(def (println x)
(jvm/invokevirtual java.io.PrintStream "println" [Object]
(jvm/getstatic System out) [x]))
(defmacro (' form)
(case form
(#Cons token #Nil)
(untemplate token)))
(def (+ x y)
(jvm/i+ x y))
(def inc (+ 1))
(def (id x)
x)
(def (fold f init values)
(case values
#Nil
init
(#Cons x xs)
(fold f (f init x) xs)))
(def length (fold (lambda [l x] (inc l)) 0))
(def (rem dividend divisor)
(jvm/irem dividend divisor))
(def (= x y)
(jvm/invokevirtual Object "equals" [Object]
x [y]))
(def (pairs list)
(case list
(#Cons x (#Cons y list*))
(#Cons [x y] (pairs list*))
_
#Nil))
(def (show x)
(jvm/invokevirtual Object "toString" []
x []))
(def (concat t1 t2)
(jvm/invokevirtual String "concat" [String]
t1 [t2]))
(def (range from to)
(if (= from to)
#Nil
(#Cons from (range (inc from) to))))
(def (text->list text)
(let length (jvm/invokevirtual String "length" []
text [])
(map (lambda [idx]
(jvm/invokevirtual String "charAt" [int]
text [idx]))
(range 0 length))))
(def (cons tail head)
(#Cons head tail))
(def (reverse list)
(fold cons #Nil list))
(def (enumerate list)
(case (fold (lambda [state x]
(case state
[idx list']
[(inc idx) (#Cons [idx x] list')]))
[0 #Nil]
list)
[_ list']
(reverse list')))
(def list-map #Nil)
(def (put key val map)
(case map
#Nil
(#Cons [key val] map)
(#Cons [?key ?val] map')
(if (= key ?key)
(#Cons [?key val] map')
(#Cons [?key ?val] (put key val map')))))
(def (get key map)
(case map
#Nil
#None
(#Cons [?key ?val] map')
(if (= key ?key)
(#Some ?val)
(get key map'))))
(def (show-kv kv)
(case kv
[?key ?val]
(fold concat "" (list "#" ?key " " (show ?val)))))
(def (interpose elem list)
(case list
(#Cons x (#Cons y list'))
(#Cons x (#Cons elem (#Cons y list')))
_
list))
(def (show-list xs)
(case xs
#Nil
"#Nil"
(#Cons x xs')
(fold concat "" (list "(#Cons " (show x) " " (show-list xs') ")"))))
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