30 lines
935 B
Rust
30 lines
935 B
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Test binary_search_by_key lifetime. Issue #34683
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#[derive(Debug)]
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struct Assignment {
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topic: String,
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partition: i32,
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}
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fn main() {
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let xs = vec![
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Assignment { topic: "abc".into(), partition: 1 },
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Assignment { topic: "def".into(), partition: 2 },
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Assignment { topic: "ghi".into(), partition: 3 },
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];
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let key: &str = "def";
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let r = xs.binary_search_by_key(&key, |e| &e.topic);
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assert_eq!(Ok(1), r.map(|i| i));
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}
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