add color to svg

core/user_interface.go

@@ -14,14 +14,12 @@ type UserInterface struct {
 
 func NewUserInterface(kp *KeypadDimension, svgId SvgIdInterface) (*UserInterface, error) {
 	idxInterface := util.IdentityArray(kp.TotalAttrs())
-
 	userInterface := UserInterface{
 		IdxInterface: idxInterface,
 		SvgId:        svgId,
 		Kp:           kp,
 	}
-	err := userInterface.RandomShuffle()
-	if err != nil {
+	if err := userInterface.RandomShuffle(); err != nil {
 		return nil, err
 	}
 	return &userInterface, nil