Refactor Type to be an int

internal/builtins/find.go

@@ -23,7 +23,7 @@ func Find(args ...object.Object) object.Object {
 	if haystack, ok := args[0].(*object.String); ok {
 		if err := typing.Check(
 			"find", args,
-			typing.WithTypes(object.STRING_OBJ, object.STRING_OBJ),
+			typing.WithTypes(object.StringType, object.StringType),
 		); err != nil {
 			return newError(err.Error())
 		}
@@ -46,7 +46,7 @@ func Find(args ...object.Object) object.Object {
 	}
 
 	return newError(
-		"TypeError: find() expected argument #1 to be `array` or `str` got `%s`",
+		"TypeError: find() expected argument #1 to be `array` or `str` got `%d`",
 		args[0].Type(),
 	)
 }