tree 200c1f3549e3438e376d1e7513ec2743c0f491fd
parent c69d70e0ebab1564d4fe787486623c583b242b88
author Jacob MacDonald <jakemac@google.com> 1594802992 -0700
committer GitHub <noreply@github.com> 1594802992 +0200
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merge the null safety branch into master (#65)

* opt into null safety

* allow Future?, add example

* update versions

* update SDK constraint for null safety

* update sdk constraint

Co-authored-by: David Morgan <davidmorgan@google.com>
Co-authored-by: Kevin Moore <kevmoo@google.com>