Further consolidate the libraries

service/grpc/examples/greeter/function/main.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"context"
+	"log"
+
+	"github.com/micro/go-micro"
+	"github.com/micro/go-micro/service/grpc"
+	hello "github.com/micro/go-micro/service/grpc/examples/greeter/server/proto/hello"
+)
+
+type Say struct{}
+
+func (s *Say) Hello(ctx context.Context, req *hello.Request, rsp *hello.Response) error {
+	rsp.Msg = "Hello " + req.Name
+	return nil
+}
+
+func main() {
+	fn := grpc.NewFunction(
+		micro.Name("go.micro.fnc.greeter"),
+	)
+
+	fn.Init()
+
+	fn.Handle(new(Say))
+
+	if err := fn.Run(); err != nil {
+		log.Fatal(err)
+	}
+}