pub trait BorrowMut<Borrowed>: Borrow<Borrowed> where
Borrowed: ?Sized, {
fn borrow_mut(&mut self) -> &mut Borrowed;
}
A trait for mutably borrowing data.
As a companion to Borrow<T> this trait allows a type to borrow as
an underlying type by providing a mutable reference. See Borrow<T>
for more information on borrowing as another type.
fn borrow_mut(&mut self) -> &mut Borrowed
Mutably borrows from an owned value.
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);
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impl<'_, T> BorrowMut<T> for &'_ mut T where
T: ?Sized, [src]
impl<T> BorrowMut<T> for T where
T: ?Sized, [src]
impl<T> BorrowMut<[T]> for Vec<T>[src]
impl<T> BorrowMut<[T]> for [T; 0][src]
impl<T> BorrowMut<[T]> for [T; 1][src]
impl<T> BorrowMut<[T]> for [T; 2][src]
impl<T> BorrowMut<[T]> for [T; 3][src]
impl<T> BorrowMut<[T]> for [T; 4][src]
impl<T> BorrowMut<[T]> for [T; 5][src]
impl<T> BorrowMut<[T]> for [T; 6][src]
impl<T> BorrowMut<[T]> for [T; 7][src]
impl<T> BorrowMut<[T]> for [T; 8][src]
impl<T> BorrowMut<[T]> for [T; 9][src]
impl<T> BorrowMut<[T]> for [T; 10][src]
impl<T> BorrowMut<[T]> for [T; 11][src]
impl<T> BorrowMut<[T]> for [T; 12][src]
impl<T> BorrowMut<[T]> for [T; 13][src]
impl<T> BorrowMut<[T]> for [T; 14][src]
impl<T> BorrowMut<[T]> for [T; 15][src]
impl<T> BorrowMut<[T]> for [T; 16][src]
impl<T> BorrowMut<[T]> for [T; 17][src]
impl<T> BorrowMut<[T]> for [T; 18][src]
impl<T> BorrowMut<[T]> for [T; 19][src]
impl<T> BorrowMut<[T]> for [T; 20][src]
impl<T> BorrowMut<[T]> for [T; 21][src]
impl<T> BorrowMut<[T]> for [T; 22][src]
impl<T> BorrowMut<[T]> for [T; 23][src]
impl<T> BorrowMut<[T]> for [T; 24][src]
impl<T> BorrowMut<[T]> for [T; 25][src]
impl<T> BorrowMut<[T]> for [T; 26][src]
impl<T> BorrowMut<[T]> for [T; 27][src]
impl<T> BorrowMut<[T]> for [T; 28][src]
impl<T> BorrowMut<[T]> for [T; 29][src]
impl<T> BorrowMut<[T]> for [T; 30][src]
impl<T> BorrowMut<[T]> for [T; 31][src]
impl<T> BorrowMut<[T]> for [T; 32][src]
impl<T: ?Sized> BorrowMut<T> for Box<T>[src]
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