Merge pull request #19 from bayashi/add-struct-address

add IsStructType() in obj.go

obj/obj.go

@@ -66,7 +66,11 @@ func (o *Object) AsString() string {
 	case error:
 		return fmt.Sprintf("%+v", o.value)
 	default:
-		return fmt.Sprintf("%#v", o.value)
+		if o.IsStructType() {
+			return fmt.Sprintf("%p, %#v", &o.value, o.value)
+		} else {
+			return fmt.Sprintf("%#v", o.value)
+		}
 	}
 }
 
@@ -106,6 +110,11 @@ func (o *Object) IsPointerType() bool {
 	return o.value != nil && reflect.TypeOf(o.value).Kind() == reflect.Pointer
 }
 
+// Return boolean whether the value is a struct
+func (o *Object) IsStructType() bool {
+	return o.value != nil && reflect.TypeOf(o.value).Kind() == reflect.Struct
+}
+
 // format and truncate. For `fmt/print.go` Formatter interface
 func (o *Object) Format(s fmt.State, verb rune) {
 	switch verb {

obj/obj_test.go

@@ -75,6 +75,16 @@ func TestPointerValue(t *testing.T) {
 	}
 }
 
+func TestStructValue(t *testing.T) {
+	i := struct{ ID int }{ ID: 123 }
+	o := NewObject(i)
+
+	expectRe := regexp.MustCompile(`[0-9a-fx]+, struct { ID int }{ID:123}`)
+	if expectRe.FindStringSubmatch(o.AsString()) == nil {
+		t.Errorf("Not matched the regexp `%s` for %q", expectRe.String(), o.AsString())
+	}
+}
+
 func TestDump(t *testing.T) {
 	o := NewObject(123)
 	if o.AsDumpString() != "(int) 123\n" {