fda3378e3f
They used to be covered by `optin_builtin_traits` but negative impls are now applicable to all traits, not just auto traits. This also adds docs in the unstable book for the current state of auto traits.
11 lines
247 B
Rust
11 lines
247 B
Rust
#![allow(dead_code)]
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#![feature(negative_impls)]
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// Overlapping negative impls for `MyStruct` are not permitted:
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struct MyStruct;
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impl !Send for MyStruct {}
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impl !Send for MyStruct {}
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//~^ ERROR conflicting implementations of trait
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fn main() {}
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