lijian 36f3ab985c 更新vendor		%!s(int64=6) %!d(string=hai) anos
..
README.md	36f3ab985c 更新vendor	%!s(int64=6) %!d(string=hai) anos
doc.go	36f3ab985c 更新vendor	%!s(int64=6) %!d(string=hai) anos
endpoints.go	36f3ab985c 更新vendor	%!s(int64=6) %!d(string=hai) anos
metrics.go	36f3ab985c 更新vendor	%!s(int64=6) %!d(string=hai) anos
normalizer.go	36f3ab985c 更新vendor	%!s(int64=6) %!d(string=hai) anos
observer.go	36f3ab985c 更新vendor	%!s(int64=6) %!d(string=hai) anos

An Observer that can be used to emit RPC metrics

It can be attached to the tracer during tracer construction. See ExampleObserver function in observer_test.go.