| // Copyright 2017 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 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, 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 and that the compiler |
| // suggests a fix. In this case, we have a recursing macro that will |
| // overflow if the number of arguments surpasses the recursion limit. |
| |
| #![allow(dead_code)] |
| #![recursion_limit="10"] |
| |
| macro_rules! recurse { |
| () => { }; |
| ($t:tt $($tail:tt)*) => { recurse!($($tail)*) }; //~ ERROR recursion limit |
| } |
| |
| fn main() { |
| recurse!(0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9); |
| } |
| |
