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			29 lines
		
	
	
		
			613 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			613 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
| // Compiler:
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| //
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| // Run-time:
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| //   status: 0
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| 
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| #![feature(const_black_box)]
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| 
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| fn main() {
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|     use std::hint::black_box;
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| 
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|     macro_rules! check {
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|         ($ty:ty, $expr:expr) => {{
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|             const EXPECTED: $ty = $expr;
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|             assert_eq!($expr, EXPECTED);
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|         }};
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|     }
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| 
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|     check!(i32, (black_box(0.0f32) as i32));
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| 
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|     check!(u64, (black_box(f32::NAN) as u64));
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|     check!(u128, (black_box(f32::NAN) as u128));
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| 
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|     check!(i64, (black_box(f64::NAN) as i64));
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|     check!(u64, (black_box(f64::NAN) as u64));
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| 
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|     check!(i16, (black_box(f32::MIN) as i16));
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|     check!(i16, (black_box(f32::MAX) as i16));
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| }
 | 
