syntax_data: {"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"self.variant_range(def_id,"}]}
source_snippet:         self.variant_range(def_id, tcx).map(move |index| {
context_before:     ) -> impl Iterator<Item = (VariantIdx, Discr<'tcx>)> {
context_after:             (index, Discr { val: index.as_usize() as u128, ty: self.discr_ty(tcx) })