tree 8e39374977c44fd20afbed686abd4ff35eabf7fa
parent c572a1e908a41ee4c9fc98880de8c4df28ea949c
author Lasse R.H. Nielsen <lrn@google.com> 1495456716 +0200
committer Lasse R.H. Nielsen <lrn@google.com> 1495456717 +0200

Make Equality.hash accept null as an argument.

This just makes it easier to use the equality directly on a nullable type.
The `isValidKey` check still say no for `null`.

R=floitsch@google.com

Committed: https://github.com/dart-lang/collection/commit/c572a1e908a41ee4c9fc98880de8c4df28ea949c
Review-Url: https://codereview.chromium.org//2898693002 .