tree e8184c773d29a4b7de1433d23375b3061ddb41c0
parent 21a8cf553c1cb315cf202ae492a5170f6adc8fb5
author adonovan <adonovan@google.com> 1603490131 -0700
committer Copybara-Service <copybara-worker@google.com> 1603490202 -0700

starlark: support field update x.f=y

This change allows a dot expression on the left side of an assignment.
Behavior is determined by x's ClassObject.setField method, if available.

PiperOrigin-RevId: 338750568