1
 2
 3
 4
 5
 6
 7
 8
 9
10
11

// Copyright 2025 Google LLC
// SPDX-License-Identifier: Apache-2.0
impl<T> Vec<T> {
    fn get(&self, index: usize) -> Option<&T>;
    fn get_mut(&mut self, index: usize) -> Option<&mut T>;
}

impl<T> [T] {
    fn iter(&self) -> impl Iterator<Item = &T>;
    fn iter_mut(&mut self) -> impl Iterator<Item = &mut T>;
}