Make Option<ThreadId> no larger than ThreadId, with NonZeroU64#59291

Merged

bors merged 2 commits intorust-lang:masterfrom

SimonSapin:nonzero-thread-id

Mar 23, 2019

Commits on Mar 19, 2019

Make Option<ThreadId> no larger than ThreadId, with NonZeroU64
SimonSapin
committed

Commits on Mar 20, 2019

Add a test for size_of Option<ThreadId>
SimonSapin
committed