mirror of https://github.com/rust-lang/rust
19 lines
395 B
Rust
19 lines
395 B
Rust
// Test that the variance computation considers types that
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// appear in const expressions to be invariant.
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#![feature(rustc_attrs)]
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#![allow(incomplete_features)]
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#![feature(generic_const_exprs)]
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trait Trait {
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const Const: usize;
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}
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#[rustc_variance]
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struct Foo<T: Trait> { //~ ERROR [o]
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field: [u8; <T as Trait>::Const]
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//~^ ERROR: unconstrained generic constant
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}
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fn main() { }
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