22 lines
929 B
Rust
22 lines
929 B
Rust
//@ revisions: current next
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//@[next] compile-flags: -Znext-solver
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//@ ignore-compare-mode-next-solver (explicit revisions)
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// Tests that projection doesn't explode if we accidentally
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// put an associated type on an auto trait.
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auto trait Trait {
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//~^ ERROR auto traits are experimental and possibly buggy
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//~| HELP add `#![feature(auto_traits)]` to the crate attributes to enable
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type Output;
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//~^ ERROR auto traits cannot have associated items
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//~| HELP remove the associated items
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}
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fn main() {
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let _: <() as Trait>::Output = ();
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//[current]~^ ERROR mismatched types
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//[current]~| HELP consider constraining the associated type `<() as Trait>::Output` to `()` or calling a method that returns `<() as Trait>::Output`
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//[next]~^^^ ERROR type mismatch resolving `<() as Trait>::Output normalizes-to _`
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//[next]~| ERROR type mismatch resolving `<() as Trait>::Output normalizes-to _`
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}
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