syntax_data: {"ast_node_type":"variable","tokens":[{"end":48,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:     if let Some(def_id) = adt.did().as_local() {
context_before:     let ty::Adt(adt, args) = ty.kind() else { bug!("expected adt") };
context_after:         rtry!(tcx.representability(def_id));