mirror of https://github.com/rust-lang/rust
18 lines
331 B
Rust
18 lines
331 B
Rust
//@ build-fail
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// Cyclic assoc. const defaults don't error unless *used*
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trait Tr {
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const A: u8 = Self::B;
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//~^ cycle detected
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const B: u8 = Self::A;
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}
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// This impl is *allowed* unless its assoc. consts are used
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impl Tr for () {}
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fn main() {
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// This triggers the cycle error
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assert_eq!(<() as Tr>::A, 0);
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}
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