syntax_data: {"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"self.map.register_place(discriminant_ty,"}]}
source_snippet:                 self.map.register_place(discriminant_ty, place_index, TrackElem::Discriminant);
context_before:                 let discriminant_ty = ty.ty.discriminant_ty(self.tcx);
context_after:             }