Struct Entry 

pub struct Entry<'a, K: Eq + Hash, V> { /* private fields */ }

An RAII guard providing exclusive access to a key-value pair in the LockMap.

The key is obtained directly from the internal State, so there is no need for separate by-value / by-reference entry types.

When dropped, this type automatically unlocks the entry and may trigger cleanup of empty entries.

Examples

use lockmap::LockMap;

let map = LockMap::new();
{
    let mut entry = map.entry("key");
    entry.insert(42);
}

Implementations

impl<K: Eq + Hash, V> Entry<'_, K, V>

pub fn key(&self) -> &K

Returns a reference to the entry’s key.

pub fn get(&self) -> &Option<V>

Returns a reference to the entry’s value.

pub fn get_mut(&mut self) -> &mut Option<V>

Returns a mutable reference to the entry’s value.

pub fn insert(&mut self, value: V) -> Option<V>

Sets the value, returning the old value if any.

pub fn swap(&mut self, value: Option<V>) -> Option<V>

Swaps the value with the provided one, returning the old value.

pub fn remove(&mut self) -> Option<V>

Removes the value, returning it if it existed.

Trait Implementations

impl<K: Eq + Hash + Debug, V: Debug> Debug for Entry<'_, K, V>

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

Formats the value using the given formatter.

impl<K: Eq + Hash, V> Drop for Entry<'_, K, V>

fn drop(&mut self)

Executes the destructor for this type.

impl<K: Eq + Hash + Send, V: Send> Send for Entry<'_, K, V>

impl<K: Eq + Hash + Send + Sync, V: Send + Sync> Sync for Entry<'_, K, V>