{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"call_expr"}]}
                    call_expr @ hir::Expr { kind: hir::ExprKind::Call(callee, ..), .. },
                if let hir::Node::Expr(
                ) = self.tcx.parent_hir_node(expr.hir_id)