Trait snarkvm_compiler::MapRead
source · [−]pub trait MapRead<'a, K: 'a + Copy + Clone + PartialEq + Eq + Hash + Serialize + Deserialize<'a> + Sync, V: 'a + Clone + PartialEq + Eq + Serialize + Deserialize<'a> + Sync> {
type Iterator: Iterator<Item = (Cow<'a, K>, Cow<'a, V>)>;
type Keys: Iterator<Item = Cow<'a, K>>;
type Values: Iterator<Item = Cow<'a, V>>;
fn contains_key<Q>(&self, key: &Q) -> Result<bool>
where
K: Borrow<Q>,
Q: PartialEq + Eq + Hash + Serialize + ?Sized;
fn get<Q>(&'a self, key: &Q) -> Result<Option<Cow<'a, V>>>
where
K: Borrow<Q>,
Q: PartialEq + Eq + Hash + Serialize + ?Sized;
fn iter(&'a self) -> Self::Iterator;
fn keys(&'a self) -> Self::Keys;
fn values(&'a self) -> Self::Values;
}Expand description
A trait representing map-like storage operations with read-only capabilities.
Required Associated Types
Required Methods
Returns true if the given key exists in the map.
Returns the value for the given key from the map, if it exists.
Returns an iterator visiting each key-value pair in the map.