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			30 lines
		
	
	
		
			406 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
		
			406 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
| #![feature(never_type)]
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| 
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| #[allow(nonstandard_style)]
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| pub struct never;
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| 
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| pub fn loops() -> ! {
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|     loop {}
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| }
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| pub fn returns() -> never {
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|     never
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| }
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| 
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| pub fn impossible(x: !) {
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|     match x {}
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| }
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| pub fn uninteresting(x: never) {
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|     match x {
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|         never => {}
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|     }
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| }
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| 
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| pub fn box_impossible(x: Box<!>) {
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|     match *x {}
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| }
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| pub fn box_uninteresting(x: Box<never>) {
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|     match *x {
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|         never => {}
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|     }
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| }
 | 
