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			15 lines
		
	
	
		
			452 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			15 lines
		
	
	
		
			452 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
//@ revisions: old new
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//@[old] edition:2015
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//@[new] edition:2021
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//@[new] run-rustfix
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#![deny(bare_trait_objects)]
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fn ord_prefer_dot(s: String) -> Ord {
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    //~^ ERROR the trait `Ord` cannot be made into an object
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    //[old]~| ERROR trait objects without an explicit `dyn` are deprecated
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    //[old]~| WARNING this is accepted in the current edition (Rust 2015)
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    (s.starts_with("."), s)
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}
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fn main() {
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    let _ = ord_prefer_dot(String::new());
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}
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