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			8 lines
		
	
	
		
			135 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			8 lines
		
	
	
		
			135 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
| //@ check-pass
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| 
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| use std::fmt::Debug;
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| 
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| fn main() {
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|     let x: Box<dyn Debug+> = Box::new(3) as Box<dyn Debug+>; // Trailing `+` is OK
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| }
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