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			17 lines
		
	
	
		
			626 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			17 lines
		
	
	
		
			626 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
extern "C" {
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    fn f1(mut arg: u8); //~ ERROR patterns aren't allowed in foreign function declarations
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    fn f2(&arg: u8); //~ ERROR patterns aren't allowed in foreign function declarations
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    fn f3(arg @ _: u8); //~ ERROR patterns aren't allowed in foreign function declarations
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    fn g1(arg: u8); // OK
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    fn g2(_: u8); // OK
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// fn g3(u8); // Not yet
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}
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type A1 = fn(mut arg: u8); //~ ERROR patterns aren't allowed in function pointer types
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type A2 = fn(&arg: u8); //~ ERROR patterns aren't allowed in function pointer types
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type B1 = fn(arg: u8); // OK
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type B2 = fn(_: u8); // OK
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type B3 = fn(u8); // OK
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fn main() {}
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