Luke Palmer wrote:
A new development in perl 6 land that will make some folks very happy. There is now a Set role. Among its operations are (including parentheses):(+) Union (*) Intersection (-) Difference (<=) Subset (<) Proper subset (>=) Superset (>) Proper superset (in) Element (=) Set equality
Do Sets get a sigil? I'd guess that % would be appropriate, because a hash is simply "Set of Pair" where the membership equivalence class is simply $^member.key. What syntax is used to associate the equiv-class with a set?
