Helpers.argList allow check for empty list

2022-12-16 00:35:03 +00:00
parent 1ee7f8db8b
commit 573c006876
1 changed files with 5 additions and 1 deletions
--- a/kiss/src/kiss/Helpers.hx
+++ b/kiss/src/kiss/Helpers.hx
@@ -705,8 +705,12 @@ class Helpers {
        };
    }

-    public static function argList(exp:ReaderExp, forThis:String):Array<ReaderExp> {
+    public static function argList(exp:ReaderExp, forThis:String, allowEmpty = true):Array<ReaderExp> {
        return switch (exp.def) {
+            case ListExp([]) if (allowEmpty):
+                [];
+            case ListExp([]) if (!allowEmpty):
+                throw KissError.fromExp(exp, 'arg list for $forThis must not be empty');
            case ListExp(argExps):
                argExps;
            default: