rust/tests/ui/traits/issue-23003-overflow.rs
2024-02-16 20:02:50 +00:00

30 lines
534 B
Rust

// A variant of traits-issue-23003 in which an infinite series of
// types are required. This test now just compiles fine, since the
// relevant rules that triggered the overflow were removed.
//@ check-pass
#![allow(dead_code)]
use std::marker::PhantomData;
trait Async {
type Cancel;
}
struct Receipt<A:Async> {
marker: PhantomData<A>,
}
struct Complete<B> {
core: Option<B>,
}
impl<B> Async for Complete<B> {
type Cancel = Receipt<Complete<Option<B>>>;
}
fn foo(_: Receipt<Complete<()>>) { }
fn main() { }