syntax_data: {"ast_node_type":"variable","tokens":[{"end":66,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                 let variant_id = self.tcx.parent(variant_ctor_id);
context_before:             Res::Def(DefKind::Ctor(CtorOf::Variant, ..), variant_ctor_id) => {
context_after:                 Res::Def(DefKind::Variant, variant_id)