Struct DbTree 

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

Implementations

impl<K: DataFormat, V: DataFormat> DbTree<K, V>

pub fn new(tree: Tree) -> Self

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

pub fn read_with_prefix<Prefix: DataFormat>( &self, prefix: &Prefix, ) -> Result<impl Iterator<Item = (K, V)>, DatabaseError>

pub fn restore(&self, key: &K) -> Result<Option<V>, DatabaseError>

pub fn save(&self, key: &K, value: &V) -> Result<(), DatabaseError>

pub fn save_option( &self, key: &K, value: Option<&V>, ) -> Result<(), DatabaseError>

pub fn delete(&self, key: &K) -> Result<bool, DatabaseError>

pub fn delete_with_prefix<Prefix: DataFormat>( &self, prefix: &Prefix, ) -> Result<usize, DatabaseError>