Further consolidate the libraries

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

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/micro/cli"
+	"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"
+)
+
+var (
+	// service to call
+	serviceName string
+)
+
+func main() {
+	service := grpc.NewService()
+
+	service.Init(
+		micro.Flags(cli.StringFlag{
+			Name:        "service_name",
+			Value:       "go.micro.srv.greeter",
+			Destination: &serviceName,
+		}),
+	)
+
+	cl := hello.NewSayService(serviceName, service.Client())
+
+	rsp, err := cl.Hello(context.TODO(), &hello.Request{
+		Name: "John",
+	})
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	fmt.Println(rsp.Msg)
+}