ruby/ruby — pull request #528 by sbeckeriv (2014-02-06 17:32:51+00:00)
Title: Update set doc

"which deals with a collection of unordered values with no duplicates" is not clear to me. There is an order which is reflected by Hash since 1.9. The set is unsorted. I could be wrong and it does not keep Hash's order but the comments allude to it working that way.