chore: update code format. (#628)

zrpc/internal/balancer/p2c/p2c.go

@@ -36,8 +36,7 @@ func init() {
 	balancer.Register(newBuilder())
 }
 
-type p2cPickerBuilder struct {
-}
+type p2cPickerBuilder struct{}
 
 func newBuilder() balancer.Builder {
 	return base.NewBalancerBuilder(Name, new(p2cPickerBuilder))

zrpc/internal/balancer/p2c/p2c_test.go

@@ -103,8 +103,7 @@ func TestP2cPicker_Pick(t *testing.T) {
 	}
 }
 
-type mockClientConn struct {
-}
+type mockClientConn struct{}
 
 func (m mockClientConn) UpdateAddresses(addresses []resolver.Address) {
 }