mirror of
				https://github.com/rust-lang/rust.git
				synced 2025-10-30 20:44:34 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			23 lines
		
	
	
		
			502 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			502 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
| //@ run-pass
 | |
| 
 | |
| // Test binary_search_by_key lifetime. Issue #34683
 | |
| 
 | |
| #[allow(dead_code)]
 | |
| #[derive(Debug)]
 | |
| struct Assignment {
 | |
|     topic: String,
 | |
|     partition: i32,
 | |
| }
 | |
| 
 | |
| fn main() {
 | |
|     let xs = vec![
 | |
|         Assignment { topic: "abc".into(), partition: 1 },
 | |
|         Assignment { topic: "def".into(), partition: 2 },
 | |
|         Assignment { topic: "ghi".into(), partition: 3 },
 | |
|     ];
 | |
| 
 | |
|     let key: &str = "def";
 | |
|     let r = xs.binary_search_by_key(&key, |e| &e.topic);
 | |
|     assert_eq!(Ok(1), r.map(|i| i));
 | |
| }
 | 
