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			27 lines
		
	
	
		
			313 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			313 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
| // check-pass
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| 
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| #![feature(const_trait_impl)]
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| 
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| #[const_trait]
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| trait Tr {
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|     fn req(&self);
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| 
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|     fn default() {}
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| }
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| 
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| impl const Tr for u8 {
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|     fn req(&self) {}
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| }
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| 
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| macro_rules! impl_tr {
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|     ($ty: ty) => {
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|         impl const Tr for $ty {
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|             fn req(&self) {}
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|         }
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|     }
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| }
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| 
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| impl_tr!(u64);
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| 
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| fn main() {}
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