23 lines
627 B
Text
23 lines
627 B
Text
|
var x = MySet(1, 2, 3)
|
|||
|
|
5..7 -> each { |i| x += i }
|
|||
|
|
|
|||
|
|
var y = MySet(1, 2, 4, x)
|
|||
|
|
|
|||
|
|
say "set x is: #{x}"
|
|||
|
|
say "set y is: #{y}"
|
|||
|
|
|
|||
|
|
[1,2,3,4,x].each { |elem|
|
|||
|
|
say ("#{elem} is ", elem ∈ y ? '' : 'not', " in y")
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var (w, z)
|
|||
|
|
say ("union: ", x ∪ y)
|
|||
|
|
say ("intersect: ", x ∩ y)
|
|||
|
|
say ("z = x ∖ y = ", z = (x ∖ y) )
|
|||
|
|
say ("y is ", x ⊆ y ? "" : "not ", "a subset of x")
|
|||
|
|
say ("z is ", x ⊆ z ? "" : "not ", "a subset of x")
|
|||
|
|
say ("z = (x ∪ y) ∖ (x ∩ y) = ", z = ((x ∪ y) ∖ (x ∩ y)))
|
|||
|
|
say ("w = x ^ y = ", w = (x ^ y))
|
|||
|
|
say ("w is ", w ≡ z ? "" : "not ", "equal to z")
|
|||
|
|
say ("w is ", w ≡ x ? "" : "not ", "equal to x")
|