scala/scala — pull request #3315 by rklaehn (2013-12-29 10:15:46+00:00)
Title: Implements specialized subsetOf for HashSet

Fixes SI-7326. This also adds a basic test for subsetOf that was missing before.

Review by @Ichoran

@Ichoran: feel free to integrate the subsetOf test into your collection comparison test suite and remove the testCorrectness part of t7326.scala