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			21 lines
		
	
	
		
			339 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			339 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
// check-pass
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// edition: 2021
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#![feature(async_fn_in_trait)]
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#![feature(return_position_impl_trait_in_trait)]
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#![allow(incomplete_features)]
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use std::future::Future;
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trait MyTrait {
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    async fn foo(&self) -> i32;
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}
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impl MyTrait for i32 {
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    fn foo(&self) -> impl Future<Output = i32> {
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        async { *self }
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    }
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}
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fn main() {}
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