syntax_data: {"ast_node_type":"variable","tokens":[{"end":99,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:     let res = drop_tys_helper(tcx, query.value, query.typing_env, adt_has_async_dtor, false, false)
context_before:         |adt_def: ty::AdtDef<'tcx>| adt_def.async_destructor(tcx).map(|_| DtorType::Significant);
context_after:         .filter(filter_array_elements_async(tcx, query.typing_env))