collections::borrow::BorrowMut

Trait collections::borrow::BorrowMut

pub trait BorrowMut<Borrowed>: Borrow<Borrowed> where    Borrowed: ?Sized, {
    fn borrow_mut(&mut self) -> &mut Borrowed;
}

A trait for mutably borrowing data.

Similar to Borrow, but for mutable borrows.

Required Methods

Mutably borrows from an owned value.

Examples

use std::borrow::BorrowMut;

fn check<T: BorrowMut<[i32]>>(mut v: T) {
    assert_eq!(&mut [1, 2, 3], v.borrow_mut());
}

let v = vec![1, 2, 3];

check(v);

Implementors

  • impl<T> BorrowMut<T> for T where
        T: ?Sized
  • impl<'a, T> BorrowMut<T> for &'a mut T where
        T: ?Sized
  • impl<T> BorrowMut<[T]> for [T; 0]
  • impl<T> BorrowMut<[T]> for [T; 1]
  • impl<T> BorrowMut<[T]> for [T; 2]
  • impl<T> BorrowMut<[T]> for [T; 3]
  • impl<T> BorrowMut<[T]> for [T; 4]
  • impl<T> BorrowMut<[T]> for [T; 5]
  • impl<T> BorrowMut<[T]> for [T; 6]
  • impl<T> BorrowMut<[T]> for [T; 7]
  • impl<T> BorrowMut<[T]> for [T; 8]
  • impl<T> BorrowMut<[T]> for [T; 9]
  • impl<T> BorrowMut<[T]> for [T; 10]
  • impl<T> BorrowMut<[T]> for [T; 11]
  • impl<T> BorrowMut<[T]> for [T; 12]
  • impl<T> BorrowMut<[T]> for [T; 13]
  • impl<T> BorrowMut<[T]> for [T; 14]
  • impl<T> BorrowMut<[T]> for [T; 15]
  • impl<T> BorrowMut<[T]> for [T; 16]
  • impl<T> BorrowMut<[T]> for [T; 17]
  • impl<T> BorrowMut<[T]> for [T; 18]
  • impl<T> BorrowMut<[T]> for [T; 19]
  • impl<T> BorrowMut<[T]> for [T; 20]
  • impl<T> BorrowMut<[T]> for [T; 21]
  • impl<T> BorrowMut<[T]> for [T; 22]
  • impl<T> BorrowMut<[T]> for [T; 23]
  • impl<T> BorrowMut<[T]> for [T; 24]
  • impl<T> BorrowMut<[T]> for [T; 25]
  • impl<T> BorrowMut<[T]> for [T; 26]
  • impl<T> BorrowMut<[T]> for [T; 27]
  • impl<T> BorrowMut<[T]> for [T; 28]
  • impl<T> BorrowMut<[T]> for [T; 29]
  • impl<T> BorrowMut<[T]> for [T; 30]
  • impl<T> BorrowMut<[T]> for [T; 31]
  • impl<T> BorrowMut<[T]> for [T; 32]
  • impl<T> BorrowMut<T> for Box<T> where
        T: ?Sized
  • impl<T> BorrowMut<[T]> for Vec<T>

© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/collections/borrow/trait.BorrowMut.html

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