{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":")"}]}
) -> Option<Vec<(ast::Pat, Option<ast::Type>, hir::Param<'db>)>> {
    param_list: &ast::ParamList,
    let mut assoc_fn_params = function.assoc_fn_params(db).into_iter();