Trait Store

pub trait Store<K, V, const N: usize>: Default
where
    K: Key<N>,
{
    // Required methods
    fn get_branch(&self, node: &H256) -> Result<Option<BranchNode<K, N>>, Error>;
    fn get_leaf(
        &self,
        leaf_key: &H256,
    ) -> Result<Option<LeafNode<K, V, N>>, Error>;
    fn insert_branch(
        &mut self,
        node: H256,
        branch: BranchNode<K, N>,
    ) -> Result<(), Error>;
    fn insert_leaf(
        &mut self,
        leaf_key: H256,
        leaf: LeafNode<K, V, N>,
    ) -> Result<(), Error>;
    fn remove_branch(&mut self, node: &H256) -> Result<(), Error>;
    fn remove_leaf(&mut self, leaf_key: &H256) -> Result<(), Error>;
    fn sorted_leaves<'a>(&'a self) -> impl Iterator<Item = (K, &'a V)>
       where V: 'a;
    fn size(&self) -> usize;
}

Trait for customize backend storage

Required Methods

fn get_branch(&self, node: &H256) -> Result<Option<BranchNode<K, N>>, Error>

fn get_leaf(&self, leaf_key: &H256) -> Result<Option<LeafNode<K, V, N>>, Error>

fn insert_branch( &mut self, node: H256, branch: BranchNode<K, N>, ) -> Result<(), Error>

fn insert_leaf( &mut self, leaf_key: H256, leaf: LeafNode<K, V, N>, ) -> Result<(), Error>

fn remove_branch(&mut self, node: &H256) -> Result<(), Error>

fn remove_leaf(&mut self, leaf_key: &H256) -> Result<(), Error>

fn sorted_leaves<'a>(&'a self) -> impl Iterator<Item = (K, &'a V)>

where V: 'a,

fn size(&self) -> usize

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

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

where K: Key<N>,