Issue #7226 has been reported by nathan.f77 (Nathan Broadbent). ---------------------------------------- Feature #7226: Added #join method as a shortcut for to_a.join https://bugs.ruby-lang.org/issues/7226 Author: nathan.f77 (Nathan Broadbent) Status: Open Priority: Normal Assignee: Category: lib Target version: I was surprised that `Set.new.join` gives me a NoMethodError. This patch that adds a #join method to Set, which is a shortcut for `to_a.join`. -- http://bugs.ruby-lang.org/