syntax_data: {"ast_node_type":"variable","tokens":[{"end":69,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:             let inner_params_in_repr = tcx.params_in_repr(adt.did());
context_before:         ty::Adt(adt, args) => {
context_after:             for (i, arg) in args.iter().enumerate() {