Struct InMemoryDb 

pub struct InMemoryDb<K: Key, V: Value> { /* private fields */ }

Trait Implementations

impl<K: Key + Clone, V: Value + Clone> DbOp<K, V> for InMemoryDb<K, V>

fn open_tree(&mut self, tree_name: &str) -> Option<bool>

return true if the tree has to be opened

fn get_current_tree(&self) -> Option<String>

fn tree_names(&self) -> Vec<String>

fn drop_tree(&mut self, tree_name: &str) -> bool

fn clear_tree(&mut self, tree_name: &str) -> bool

fn merge_trees( &mut self, tree_name_source: &str, tree_name_dest: &str, ) -> Option<()>

fn merge_current_tree_with(&mut self, tree_name_source: &str) -> Option<()>

fn apply_batch(&mut self, batch: Batch<K, V>) -> Option<()>

fn apply_tree( &mut self, tree_name: &str, consumer: &mut impl FnMut(&mut Tree<K, V>) -> Option<V>, ) -> Option<V>

fn flush(&self) -> Result<&'static str>

fn open_tree_and_apply( &mut self, tree_name: &str, consumer: &mut impl FnMut(&mut Tree<K, V>) -> Option<V>, ) -> Option<V>

impl<K: Debug + Key, V: Debug + Value> Debug for InMemoryDb<K, V>

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

Formats the value using the given formatter.

impl<K: Key + Clone, V: Value + Clone> Default for InMemoryDb<K, V>

fn default() -> InMemoryDb<K, V>

Returns the “default value” for a type.

impl<'de, K, V> Deserialize<'de> for InMemoryDb<K, V>

where K: Deserialize<'de> + Key, V: Deserialize<'de> + Value,

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<K: Key + Clone, V: Value> Op<K, V> for InMemoryDb<K, V>

fn read(&self, k: impl Into<K>, r: impl Fn(&V) -> Option<V>) -> Option<V>

fn insert(&mut self, k: impl Into<K>, v: impl Into<V>) -> Option<V>

fn remove(&mut self, k: impl Into<K>) -> Option<V>

fn clear(&mut self)

fn contains(&self, k: &K) -> Option<bool>

fn len(&self) -> Option<usize>

fn keys(&self) -> Vec<K>

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

fn get_value(&self, k: impl Into<K>) -> Option<V>

fn read_no_op(&self, k: impl Into<K>, r: impl Fn(&V) -> Option<V>) -> Option<V>

fn is_empty(&self) -> bool

impl<K, V> Serialize for InMemoryDb<K, V>

where K: Serialize + Key, V: Serialize + Value,

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.