syntax_data: {"ast_node_type":"variable","tokens":[{"end":67,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:             if let Some(dtor) = tcx.adt_destructor(adt_def.did()) {
context_before:         ty::Adt(adt_def, _) => {
context_after:                 Some(tcx.def_span(tcx.parent(dtor.did)))