set

set

A set is an unordered collection of values without repitition.

constructor

(set 2 "three" 'five)   ; #(set 2 "three" five)

messages

(def s0 (set))
(def s1 (set 2 3 5 "hola" 'mundo))
(def s2 (set 3 5 7))

s1.type     ; (set)
s0.size     ; 0
s0.to-bool  ; false
s1.size     ; 5
s1.to-bool  ; true

(s1.has? 2)       ; true
(s1.has? 'mundo)  ; true
(s1.has? 'world)  ; false

(s1.union s2)        ; #(set "hola" 5 7 2 3 mundo)
(s1.intersect s2)    ; #(set 5 3)
(s1.diff s2)         ; #(set mundo "hola" 2)
(s2.diff s1)         ; #(set 7)
(s1.xor s2)          ; #(set "hola" mundo 7 2)

(s2.add 9)           ; #(set 3 5 7 9)
(s2.del 3)           ; #(set 5 7)
s2                   ; #(set 3 5 7)

; mutation

(s2.add! 9)          ; #(set 9 7 5 3)
s2                   ; #(set 9 7 5 3)
(s2.del! 3)          ; #(set 9 7 5)
s2                   ; #(set 9 7 5)