Trying to parse list type

src_v2/parser/parser_types.nim

@@ -122,6 +122,11 @@ func flattenTokens*(parser: Parser): Parser =
     tokens: @[token]
   )
 
+func flattenTokensResult*(parser: Parser): ParserResult =
+  parser
+  .flattenTokens()
+  .ok()
+
 func emptyTokens*(parser: Parser): Parser =
   ## Empty `parser` tokens.
   Parser(