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			17 lines
		
	
	
		
			293 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			17 lines
		
	
	
		
			293 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
| //@ run-pass
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| 
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| fn f(x: isize) -> isize { x }
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| fn g(x: isize) -> isize { 2 * x }
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| 
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| static F: fn(isize) -> isize = f;
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| static mut G: fn(isize) -> isize = f;
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| 
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| pub fn main() {
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|     assert_eq!(F(42), 42);
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|     unsafe {
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|         assert_eq!(G(42), 42);
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|         G = g;
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|         assert_eq!(G(42), 84);
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|     }
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| }
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