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			19 lines
		
	
	
		
			406 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			19 lines
		
	
	
		
			406 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
| const X : usize = 2;
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| 
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| const fn f(x: usize) -> usize {
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|     let mut sum = 0;
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|     for i in 0..x {
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|         //~^ ERROR cannot convert
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|         //~| ERROR `for` is not allowed in a `const fn`
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|         //~| ERROR mutable references are not allowed in constant functions
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|         //~| ERROR cannot call non-const fn
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|         sum += i;
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|     }
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|     sum
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| }
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| 
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| #[allow(unused_variables)]
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| fn main() {
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|     let a : [i32; f(X)];
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| }
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