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			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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| 
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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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| 
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| trait Trait {
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|     const Const: usize;
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| }
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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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| 
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| fn main() { }
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