62 lines
2.3 KiB
Rust
62 lines
2.3 KiB
Rust
#![feature(const_trait_impl)]
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#[const_trait]
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trait Trait {}
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// Regression test for issue #90052.
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fn non_const_function<T: ~const Trait>() {} //~ ERROR `~const` is not allowed
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struct Struct<T: ~const Trait> { field: T } //~ ERROR `~const` is not allowed here
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struct TupleStruct<T: ~const Trait>(T); //~ ERROR `~const` is not allowed here
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struct UnitStruct<T: ~const Trait>; //~ ERROR `~const` is not allowed here
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//~^ ERROR parameter `T` is never used
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enum Enum<T: ~const Trait> { Variant(T) } //~ ERROR `~const` is not allowed here
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union Union<T: ~const Trait> { field: T } //~ ERROR `~const` is not allowed here
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//~^ ERROR field must implement `Copy`
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type Type<T: ~const Trait> = T; //~ ERROR `~const` is not allowed here
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const CONSTANT<T: ~const Trait>: () = (); //~ ERROR `~const` is not allowed here
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//~^ ERROR generic const items are experimental
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trait NonConstTrait {
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type Type<T: ~const Trait>: ~const Trait;
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//~^ ERROR `~const` is not allowed
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//~| ERROR `~const` is not allowed
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fn non_const_function<T: ~const Trait>(); //~ ERROR `~const` is not allowed
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const CONSTANT<T: ~const Trait>: (); //~ ERROR `~const` is not allowed
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//~^ ERROR generic const items are experimental
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}
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impl NonConstTrait for () {
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type Type<T: ~const Trait> = (); //~ ERROR `~const` is not allowed
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//~^ ERROR overflow evaluating the requirement `(): Trait`
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fn non_const_function<T: ~const Trait>() {} //~ ERROR `~const` is not allowed
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const CONSTANT<T: ~const Trait>: () = (); //~ ERROR `~const` is not allowed
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//~^ ERROR generic const items are experimental
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}
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struct Implementor;
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impl Implementor {
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type Type<T: ~const Trait> = (); //~ ERROR `~const` is not allowed
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//~^ ERROR inherent associated types are unstable
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fn non_const_function<T: ~const Trait>() {} //~ ERROR `~const` is not allowed
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const CONSTANT<T: ~const Trait>: () = (); //~ ERROR `~const` is not allowed
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//~^ ERROR generic const items are experimental
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}
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// non-const traits
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trait Child0: ~const Trait {} //~ ERROR `~const` is not allowed
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trait Child1 where Self: ~const Trait {} //~ ERROR `~const` is not allowed
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// non-const impl
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impl<T: ~const Trait> Trait for T {} //~ ERROR `~const` is not allowed
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// inherent impl (regression test for issue #117004)
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impl<T: ~const Trait> Struct<T> {} //~ ERROR `~const` is not allowed
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fn main() {}
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