1.0.0[][src]Trait std::convert::AsMut

pub trait AsMut<T> where
    T: ?Sized
{ fn as_mut(&mut self) -> &mut T; }

A cheap, mutable reference-to-mutable reference conversion.

This trait is similar to AsRef but used for converting between mutable references.

Note: this trait must not fail. If the conversion can fail, use a dedicated method which returns an Option<T> or a Result<T, E>.

Generic Implementations

Examples

Box<T> implements AsMut<T>:

fn add_one<T: AsMut<u64>>(num: &mut T) {
    *num.as_mut() += 1;
}

let mut boxed_num = Box::new(0);
add_one(&mut boxed_num);
assert_eq!(*boxed_num, 1);Run

Required Methods

Important traits for &'_ mut I

Performs the conversion.

Implementors

impl<'_, T, U> AsMut<U> for &'_ mut T where
    T: AsMut<U> + ?Sized,
    U: ?Sized
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Important traits for &'_ mut I

impl<T> AsMut<[T]> for [T; 0]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 1]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 2]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 3]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 4]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 5]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 6]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 7]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 8]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 9]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 10]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 11]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 12]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 13]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 14]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 15]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 16]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 17]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 18]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 19]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 20]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 21]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 22]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 23]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 24]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 25]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 26]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 27]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 28]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 29]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 30]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 31]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T; 32]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for [T]
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Important traits for &'a [u8]

impl<T> AsMut<[T]> for Vec<T>
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Important traits for &'a [u8]

impl<T> AsMut<Vec<T>> for Vec<T>
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Important traits for Vec<u8>

impl<T> AsMut<T> for Box<T> where
    T: ?Sized
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Important traits for &'_ mut I