Struct FrozenMap 

pub struct FrozenMap<K, V> { /* private fields */ }

A frozen hash map that becomes immutable after construction.

Implementations

impl<K: Hash + Eq, V> FrozenMap<K, V>

pub fn new(map: FxHashMap<K, V>) -> Self

Create a frozen map from a hash map.

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

Get a value by key.

pub fn contains_key(&self, key: &K) -> bool

Check if a key exists.

pub fn len(&self) -> usize

Get the number of entries.

pub fn is_empty(&self) -> bool

Check if the map is empty.

pub fn iter(&self) -> impl Iterator<Item = (&K, &V)>

Iterate over the entries.

Trait Implementations

impl<K: Clone, V: Clone> Clone for FrozenMap<K, V>

fn clone(&self) -> FrozenMap<K, V>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<K: Debug, V: Debug> Debug for FrozenMap<K, V>

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

Formats the value using the given formatter.

impl<K: Hash + Eq, V> FromIterator<(K, V)> for FrozenMap<K, V>

fn from_iter<I: IntoIterator<Item = (K, V)>>(iter: I) -> Self

Creates a value from an iterator.