JuliaLang/DataStructures.jl — pull request #19 by dpsanders (2014-04-07 22:17:41+00:00)
Title: Add make_set! for IntDisjointSets and DisjointSets

Adds `make_set!` to add a new element. Three versions are available:
- add an automatically-generated element for `IntDisjointSets`
- add a specified element for `IntDisjointSets` and `DisjointSets`