Go related style fixes.

Change-Id: Ie854ace69a21ef685e1ade5584f9d9ce4e8b41f1

go/grpc.go

 package flatbuffers
 
-// FlatbuffersCodec implements gRPC-go Codec which is used to encode and decode messages.
-var Codec string = "flatbuffers"
+// Codec implements gRPC-go Codec which is used to encode and decode messages.
+var Codec = "flatbuffers"
 
 type FlatbuffersCodec struct{}
 

grpc/src/compiler/go_generator.cc

@@ -48,7 +48,7 @@ namespace grpc_go_generator {
 
 // Returns string with first letter to lowerCase
 grpc::string unexportName(grpc::string s) {
-	if (s.size() <= 0)
+	if (s.empty())
 		return s;
 	s[0] = std::tolower(s[0]);
 	return s;
@@ -56,7 +56,7 @@ grpc::string unexportName(grpc::string s) {
 
 // Returns string with first letter to uppercase
 grpc::string exportName(grpc::string s) {
-	if (s.size() <= 0)
+	if (s.empty())
 		return s;
 	s[0] = std::toupper(s[0]);
 	return s;
@@ -434,4 +434,4 @@ grpc::string GenerateServiceSource(grpc_generator::File *file,
 	GenerateService(service, printer, vars);
 	return out;
 }
-}// Namespace grpc_go_generator
+}// Namespace grpc_go_generator
\ No newline at end of file

grpc/tests/go_test.go

@@ -6,7 +6,6 @@ import (
 	"net"
 	"testing"
 
-	"github.com/google/flatbuffers/go"
 	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 )
@@ -14,8 +13,8 @@ import (
 type server struct{}
 
 // test used to send and receive in grpc methods
-var test string = "Flatbuffers"
-var addr string = "0.0.0.0:50051"
+var test = "Flatbuffers"
+var addr = "0.0.0.0:50051"
 
 // gRPC server store method
 func (s *server) Store(context context.Context, in *Example.Monster) (*flatbuffers.Builder, error) {
@@ -46,7 +45,7 @@ func StoreClient(c Example.MonsterStorageClient, t *testing.T) {
 	b.Finish(Example.MonsterEnd(b))
 	out, err := c.Store(context.Background(), b)
 	if err != nil {
-		t.Fatal("Store client failed: %v", err)
+		t.Fatalf("Store client failed: %v", err)
 	}
 	if string(out.Id()) != test {
 		t.Errorf("StoreClient failed: expected=%s, got=%s\n", test, out.Id())
@@ -62,7 +61,7 @@ func RetrieveClient(c Example.MonsterStorageClient, t *testing.T) {
 	b.Finish(Example.StatEnd(b))
 	out, err := c.Retrieve(context.Background(), b)
 	if err != nil {
-		t.Fatal("Retrieve client failed: %v", err)
+		t.Fatalf("Retrieve client failed: %v", err)
 	}
 	if string(out.Name()) != test {
 		t.Errorf("RetrieveClient failed: expected=%s, got=%s\n", test, out.Name())
@@ -85,7 +84,7 @@ func TestGRPC(t *testing.T) {
 	}()
 	conn, err := grpc.Dial(addr, grpc.WithInsecure(), grpc.WithCodec(flatbuffers.FlatbuffersCodec{}))
 	if err != nil {
-		t.Fatal("Failed to connect: %v", err)
+		t.Fatalf("Failed to connect: %v", err)
 	}
 	defer conn.Close()
 	client := Example.NewMonsterStorageClient(conn)