syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"iter.into_iter().try_fold(Vec::new(),"}]}
source_snippet:         iter.into_iter().try_fold(Vec::new(), |mut vec, subty| {
context_before:     ) -> NeedsDropResult<Vec<Ty<'tcx>>> {
context_after:             match subty.kind() {