{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"hir::ExprKind::UnsafeBinderCast(UnsafeBinderCastKind::Unwrap,"}]}
            hir::ExprKind::UnsafeBinderCast(UnsafeBinderCastKind::Unwrap, e, _) => {
                let base = self.cat_expr(e)?;