Add return statement to example (#942)

AaronReboot · web-flow · commit 43b3edbe93d6 · 2021-04-14T18:39:34.000+01:00
As stated, the example would have grpc-web requests execute twice. Adding return to exit handler once grpc-web request is executed
diff --git a/go/grpcweb/doc.go b/go/grpcweb/doc.go
@@ -17,6 +17,7 @@ Here's an example of how to use it inside an existing gRPC Go server on a separa
 	tlsHttpServer.Handler = http.HandlerFunc(func(resp http.ResponseWriter, req *http.Request) {
 		if wrappedGrpc.IsGrpcWebRequest(req) {
 			wrappedGrpc.ServeHTTP(resp, req)
+			return
 		}
 		// Fall back to other servers.
 		http.DefaultServeMux.ServeHTTP(resp, req)

Original file line number	Diff line number	Diff line change
`@@ -17,6 +17,7 @@ Here's an example of how to use it inside an existing gRPC Go server on a separa`
`17`	`17`	`tlsHttpServer.Handler = http.HandlerFunc(func(resp http.ResponseWriter, req *http.Request) {`
`18`	`18`	`if wrappedGrpc.IsGrpcWebRequest(req) {`
`19`	`19`	`wrappedGrpc.ServeHTTP(resp, req)`
	`20`	`+ return`
`20`	`21`	`}`
`21`	`22`	`// Fall back to other servers.`
`22`	`23`	`http.DefaultServeMux.ServeHTTP(resp, req)`