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			45 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
| //@ edition: 2021
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| //@ check-pass
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| 
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| #![feature(async_closure)]
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| 
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| fn outlives<'a>(_: impl Sized + 'a) {}
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| 
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| async fn call_once(f: impl async FnOnce()) {
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|     f().await;
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| }
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| 
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| fn simple<'a>(x: &'a i32) {
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|     let c = async || { println!("{}", *x); };
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|     outlives::<'a>(c());
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|     outlives::<'a>(call_once(c));
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| 
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|     let c = async move || { println!("{}", *x); };
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|     outlives::<'a>(c());
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|     outlives::<'a>(call_once(c));
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| }
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| 
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| struct S<'a>(&'a i32);
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| 
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| fn through_field<'a>(x: S<'a>) {
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|     let c = async || { println!("{}", *x.0); };
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|     outlives::<'a>(c());
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|     outlives::<'a>(call_once(c));
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| 
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|     let c = async move || { println!("{}", *x.0); };
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|     outlives::<'a>(c());
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|     outlives::<'a>(call_once(c));
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| }
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| 
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| fn through_field_and_ref<'a>(x: &S<'a>) {
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|     let c = async || { println!("{}", *x.0); };
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|     outlives::<'a>(c());
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|     outlives::<'a>(call_once(c));
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| 
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|     let c = async move || { println!("{}", *x.0); };
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|     outlives::<'a>(c());
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|     // outlives::<'a>(call_once(c)); // FIXME(async_closures): Figure out why this fails
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| }
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| 
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| fn main() {}
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