Struct fixed_map::storage::OptionStorage

pub struct OptionStorage<K: 'static, V: 'static>where
    K: Key<K, V>,{ /* private fields */ }

Storage for Option<T>s.

Trait Implementations

impl<K: 'static, V: 'static> Clone for OptionStorage<K, V>where
    K: Key<K, V>,
    K::Storage: Clone,
    V: Clone,

fn clone(&self) -> Self

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<K: 'static, V: 'static> Default for OptionStorage<K, V>where
    K: Key<K, V>,

fn default() -> Self

Returns the “default value” for a type.

impl<K, V> Storage<Option<K>, V> for OptionStorage<K, V>where
    K: Key<K, V>,

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

This is the storage abstraction for Map::insert.

fn get(&self, key: Option<K>) -> Option<&V>

This is the storage abstraction for Map::get.

fn get_mut(&mut self, key: Option<K>) -> Option<&mut V>

This is the storage abstraction for Map::get_mut.

fn remove(&mut self, key: Option<K>) -> Option<V>

This is the storage abstraction for Map::remove.

fn clear(&mut self)

This is the storage abstraction for Map::clear.

fn iter<'a, F>(&'a self, f: F)where
    F: FnMut((Option<K>, &'a V)),

This is the storage abstraction for Map::iter.

fn iter_mut<'a, F>(&'a mut self, f: F)where
    F: FnMut((Option<K>, &'a mut V)),

This is the storage abstraction for Map::iter_mut.