Build #939 (Dec 7, 2020 1:11:51 PM)

	Build Artifacts
	Changes add Trait>>#isUsed. (details / githubweb)
	Push event to branch Pharo9.0 at 12:30:35 PM on Dec 7, 2020
	Revision: d88198f63ffa97e21f5abe6288404147b01385eb Pharo9.0
	Test Result (no failures)