Struct MaxLenBTreeMap 

pub struct MaxLenBTreeMap<K, V, const N: usize>
where
    K: MaxSerializedLen + Clone + Ord + Hash,
    V: MaxSerializedLen + Clone,
{ /* private fields */ }

Implementations

impl<K, V, const N: usize> MaxLenBTreeMap<K, V, N>

where K: MaxSerializedLen + Clone + Ord + Hash, V: MaxSerializedLen + Clone,

pub fn new() -> Self

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn is_full(&self) -> bool

pub fn insert(&mut self, key: K, value: V) -> Result<Option<V>, &'static str>

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

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

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

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

pub fn clear(&mut self)

pub fn contents(&self) -> &BTreeMap<K, V>

Trait Implementations

impl<K, V, const N: usize> BorshDeserialize for MaxLenBTreeMap<K, V, N>

where K: MaxSerializedLen + Clone + Ord + Hash, V: MaxSerializedLen + Clone, BTreeMap<K, V>: BorshDeserialize,

fn deserialize(buf: &mut &[u8]) -> Result<Self, Error>

Deserializes this instance from a given slice of bytes. Updates the buffer to point at the remaining bytes.

fn try_from_slice(v: &[u8]) -> Result<Self, Error>

Deserialize this instance from a slice of bytes.

impl<K, V, const N: usize> BorshSerialize for MaxLenBTreeMap<K, V, N>

where K: MaxSerializedLen + Clone + Ord + Hash, V: MaxSerializedLen + Clone, BTreeMap<K, V>: BorshSerialize,

fn serialize<W: Write>(&self, writer: &mut W) -> Result<(), Error>

fn try_to_vec(&self) -> Result<Vec<u8>, Error>

Serialize this instance into a vector of bytes.

impl<K, V, const N: usize> Clone for MaxLenBTreeMap<K, V, N>

where K: MaxSerializedLen + Clone + Ord + Hash + Clone, V: MaxSerializedLen + Clone + Clone,

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

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<K, V, const N: usize> Debug for MaxLenBTreeMap<K, V, N>

where K: MaxSerializedLen + Clone + Ord + Hash + Debug, V: MaxSerializedLen + Clone + Debug,

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

Formats the value using the given formatter.

impl<K, V, const N: usize> Default for MaxLenBTreeMap<K, V, N>

where K: MaxSerializedLen + Clone + Ord + Hash, V: MaxSerializedLen + Clone,

fn default() -> Self

Returns the “default value” for a type.

impl<K, V, const N: usize> MaxSerializedLen for MaxLenBTreeMap<K, V, N>

where K: MaxSerializedLen + Clone + Ord + Hash, V: MaxSerializedLen + Clone,

const MAX_SERIALIZED_LEN: usize

impl<K, V, const N: usize> TryFrom<BTreeMap<K, V>> for MaxLenBTreeMap<K, V, N>

where K: MaxSerializedLen + Clone + Ord + Hash, V: MaxSerializedLen + Clone,

type Error = &'static str

The type returned in the event of a conversion error.

fn try_from(btree: BTreeMap<K, V>) -> Result<Self, Self::Error>

Performs the conversion.