add interface supported

util/reflect/reflect.go

@@ -114,6 +114,8 @@ func safeAssignment(variable reflect.Value, value interface{}) (err error) {
 		default:
 			variable.SetString(fmt.Sprint(value))
 		}
+	case reflect.Interface:
+		variable.Set(rv)
 	default:
 		err = fmt.Errorf("unsupported kind %s", kind)
 	}

util/reflection/reflection_test.go

@@ -28,26 +28,28 @@ type fake struct {
 
 func TestSetter(t *testing.T) {
 	dst := &fake{}
-	ms := map[string]any{
-		"name": "aa",
-		"age":  "5",
-		"usage": []map[string]any{
-			{
-				"in": 15,
-				"bs": map[string]any{
-					"aa": "vv",
-				},
+	vs := map[string]any{
+		"name": "xxx",
+	}
+	vvs := []map[string]any{
+		{
+			"in": 15,
+			"bs": map[string]any{
+				"aa": "vv",
 			},
 		},
-		"xx": map[string]any{"in": 45},
-		"ax": map[string]any{"in": 55},
-		"ss": []string{"11", "ss"},
-		"ds": []int{55, 55, 34},
-		"ms": map[string]any{"aa": "23"},
+	}
+	ms := map[string]any{
+		"name":  "aa",
+		"age":   "5",
+		"usage": vvs,
+		"xx":    map[string]any{"in": 45},
+		"ax":    map[string]any{"in": 55},
+		"ss":    []string{"11", "ss"},
+		"ds":    []int{55, 55, 34},
+		"ms":    map[string]any{"aa": "23"},
 		"ab": map[string]any{
-			"xx": map[string]any{
-				"name": "xxx",
-			},
+			"xx": vs,
 		},
 	}
 	err := Setter(dst, ms)