1 2
key = "LengthExpr" value = ["typing = \"Unit\"\nident = \"Invalid\"\nfield = []\n", "typing = \"Unnamed\"\nident = \"Env\"\nfield = [\"StrRef\", \"Box < Length >\"]\n", "typing = \"Unnamed\"\nident = \"Calc\"\nfield = [\"Box < CalcExpr >\"]\n"]