mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-30 18:53:39 +00:00
36 lines
680 B
Rust
36 lines
680 B
Rust
// Test that the recursion limit can be changed and that the compiler
|
|
// suggests a fix. In this case, we have deeply nested types that will
|
|
// fail the `Send` check by overflow when the recursion limit is set
|
|
// very low.
|
|
|
|
#![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(usize) }
|
|
|
|
fn is_send<T:Send>() { }
|
|
|
|
fn main() {
|
|
is_send::<A>(); //~ ERROR overflow evaluating the requirement
|
|
}
|