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