lua-resty-set

implement union, except, intersect and symmetric except for a set

Synopsis

    local a = set{1,2,3}
    local b = set{3,4,5}
    print(a+b)
    print(a*b)
    print(a^b)
    print(a-b)
    print(b-a)

output:

    {1,2,3,4,5}
    {3}
    {1,2,4,5}
    {1,2}
    {5,4}