Struct RefMut

pub struct RefMut<'a, K, V> { /* private fields */ }

Implementations

impl<'a, K: Eq + Hash, V> RefMut<'a, K, V>

pub fn key(&self) -> &K

pub fn value(&self) -> &V

pub fn value_mut(&mut self) -> &mut V

pub fn pair(&self) -> (&K, &V)

pub fn pair_mut(&mut self) -> (&K, &mut V)

pub fn downgrade(self) -> Ref<'a, K, V>

pub fn map<F, T>(self, f: F) -> MappedRefMut<'a, K, V, T>

where F: FnOnce(&mut V) -> &mut T,

pub fn try_map<F, T>(self, f: F) -> Result<MappedRefMut<'a, K, V, T>, Self>

where F: FnOnce(&mut V) -> Option<&mut T>,

Trait Implementations

impl<'a, K: Eq + Hash + Debug, V: Debug> Debug for RefMut<'a, K, V>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'a, K: Eq + Hash, V> Deref for RefMut<'a, K, V>

type Target = V

The resulting type after dereferencing.

fn deref(&self) -> &V

Dereferences the value.

impl<'a, K: Eq + Hash, V> DerefMut for RefMut<'a, K, V>

fn deref_mut(&mut self) -> &mut V

Mutably dereferences the value.

impl<'a, K: Eq + Hash + Sync, V: Sync> Send for RefMut<'a, K, V>

impl<'a, K: Eq + Hash + Sync, V: Sync> Sync for RefMut<'a, K, V>

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 24 bytes