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1 | // Copyright 2016 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
11 | ||
3157f602 XL |
12 | /// An iterator whose items are random accessible efficiently |
13 | /// | |
14 | /// # Safety | |
15 | /// | |
16 | /// The iterator's .len() and size_hint() must be exact. | |
17 | /// | |
18 | /// .get_unchecked() must return distinct mutable references for distinct | |
19 | /// indices (if applicable), and must return a valid reference if index is in | |
20 | /// 0..self.len(). | |
21 | #[doc(hidden)] | |
22 | pub unsafe trait TrustedRandomAccess : ExactSizeIterator { | |
23 | unsafe fn get_unchecked(&mut self, i: usize) -> Self::Item; | |
24 | } | |
25 |