// Copyright 2014 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // Test that the recursion limit can be changed. In this case, we have // deeply nested types that will fail the `Send` check by overflow // when the recursion limit is set very low. #![feature(macro_rules)] #![allow(dead_code)] #![recursion_limit="10"] macro_rules! link { ($id:ident, $t:ty) => { enum $id { $id($t) } } } link!(A,B) link!(B,C) link!(C,D) link!(D,E) link!(E,F) link!(F,G) link!(G,H) link!(H,I) link!(I,J) link!(J,K) link!(K,L) link!(L,M) link!(M,N) enum N { N(uint) } fn is_send() { } fn main() { is_send::(); //~^ ERROR not implemented //~^^ ERROR not implemented }