{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"TyKind::Scalar(Scalar::Bool)"}]}
            TyKind::Scalar(Scalar::Bool) => Some(BuiltinType::Bool),
            TyKind::Str => Some(BuiltinType::Str),
            TyKind::Scalar(Scalar::Char) => Some(BuiltinType::Char),