Struct StableMap

pub struct StableMap<K, V>(/* private fields */);

A wrapper around a HashMap which prevents accidentally observing the non-deterministic iteration order.

Trait Implementations

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

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

Returns a copy of the value.

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

Performs copy-assignment from source.

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

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

Formats the value using the given formatter.

impl<K, V> Default for StableMap<K, V>

fn default() -> Self

Returns the “default value” for a type.

impl<K, V> From<HashMap<K, V>> for StableMap<K, V>

fn from(map: HashMap<K, V>) -> Self

Converts to this type from the input type.

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

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

Creates a value from an iterator.

impl<K: Hash + Eq, V> Index<&K> for StableMap<K, V>

type Output = V

The returned type after indexing.

fn index(&self, index: &K) -> &Self::Output

Performs the indexing (container[index]) operation.