Enables Queues to be built with Swift 5.2 again by adding missing self where needed. Also adds a test scenario for Swift 5.2 to prevent this from breaking in the future.
@jdmcd this is a redo of #89 because I jumped the gun there and merged the PR without going through the steps to enable automated releasing by tanner-bot
Enables Queues to be built with Swift 5.2 again by adding missing
self
where needed. Also adds a test scenario for Swift 5.2 to prevent this from breaking in the future.