syntax_data: {"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"self.tcx.mk_args_from_iter(args.iter().enumerate().map(|(index,"}]}
source_snippet:         self.tcx.mk_args_from_iter(args.iter().enumerate().map(|(index, kind)| {
context_before:         let generics = self.tcx.generics_of(def_id);
context_after:             if index < generics.parent_count {