{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"ast::FnRetTy::Default(_)"}]}
                ast::FnRetTy::Default(_) => break None,
            ast::TyKind::FnPtr(fn_ty) => match &fn_ty.decl.output {
                ast::FnRetTy::Ty(ret) => ty = ret,