| // Copyright 2016 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| |
| use iter::ExactSizeIterator; |
| |
| /// An iterator whose items are random accessible efficiently |
| /// |
| /// # Safety |
| /// |
| /// The iterator's .len() and size_hint() must be exact. |
| /// |
| /// .get_unchecked() must return distinct mutable references for distinct |
| /// indices (if applicable), and must return a valid reference if index is in |
| /// 0..self.len(). |
| #[doc(hidden)] |
| pub unsafe trait TrustedRandomAccess : ExactSizeIterator { |
| unsafe fn get_unchecked(&mut self, i: usize) -> Self::Item; |
| } |
| |
