- :block
- or :nothing
union
∪
return the union of given sets
Parameters
union setA :literal :pathliteral :block setB :block
Returns
Examples
copyprint union [1 2 3 4] [3 4 5 6] ; 1 2 3 4 5 6
copya: [1 2 3 4] b: [3 4 5 6] union 'a b ; a: [1 2 3 4 5 6]