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			12 lines
		
	
	
		
			136 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			12 lines
		
	
	
		
			136 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
trait Trait {
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    fn foo(&self) -> Self;
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}
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fn call_foo(x: Box<dyn Trait>) {
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    //~^ ERROR E0038
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    let y = x.foo();
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}
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fn main() {
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}
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