syntax_data: {"ast_node_type":"variable","tokens":[{"end":56,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                 let name = tcx.item_name(trait_item_id);
context_before:             } else if tcx.is_lang_item(trait_ref.def_id, LangItem::TransmuteTrait) {
context_after:                 assert_eq!(name, sym::transmute);