{"ast_node_type":"variable","tokens":[{"end":87,"kind":"keyword","start":0,"text":"&&"}]}
                        && let generics = self.infcx.tcx.generics_of(self.mir_def_id())
                    if let ty::Param(param_ty) = *self_ty.kind()
                        && let param = generics.type_param(param_ty, self.infcx.tcx)