ceylon/ceylon-sdk — pull request #232 by renatoathaydes (2014-05-15 19:51:42+00:00)
Title: Treeset and treemap improvements

(this PR replaces the previous #231, broken one)

Fixed TreeSet bug #224.
Notice that this involved actually fixing TreeMap, used internally by TreeSet.
Found that the problem was in re-balancing of the tree after removal of an element.