57 lines
881 B
Rust
57 lines
881 B
Rust
// Tests that trait bounds on specializing trait impls must be `~const` if the
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// same bound is present on the default impl and is `~const` there.
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//@ check-pass
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// FIXME(effects) ^ should error
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#![feature(const_trait_impl)]
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#![feature(rustc_attrs)]
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#![feature(min_specialization)]
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#[rustc_specialization_trait]
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trait Specialize {}
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#[const_trait]
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trait Foo {}
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#[const_trait]
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trait Bar {
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fn bar();
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}
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impl<T> const Bar for T
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where
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T: ~const Foo,
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{
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default fn bar() {}
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}
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impl<T> Bar for T
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where
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T: Foo, //FIXME ~ ERROR missing `~const` qualifier
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T: Specialize,
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{
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fn bar() {}
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}
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#[const_trait]
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trait Baz {
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fn baz();
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}
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impl<T> const Baz for T
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where
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T: ~const Foo,
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{
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default fn baz() {}
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}
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impl<T> const Baz for T //FIXME ~ ERROR conflicting implementations of trait `Baz`
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where
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T: Foo,
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T: Specialize,
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{
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fn baz() {}
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}
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fn main() {}
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