rust/tests/ui/array-slice-vec/slice_binary_search.rs
2024-02-16 20:02:50 +00:00

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));
}