Struct FileKV 

pub struct FileKV<K: U64 = u64, V: Serialize + DeserializeOwned + Clone = Properties> { /* private fields */ }

Available on crate feature std only.

File based reader that implements the KVStore trait

Implementations

impl<K: U64, V: Serialize + DeserializeOwned + Clone> FileKV<K, V>

pub fn new_with_options( file_name: Option<&str>, opts: Option<FileOptions>, ) -> FileKV<K, V>

Builds a new File based KV with defined options

Trait Implementations

impl<K: Clone + U64, V: Clone + Serialize + DeserializeOwned + Clone> Clone for FileKV<K, V>

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

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<K: Debug + U64, V: Debug + Serialize + DeserializeOwned + Clone> Debug for FileKV<K, V>

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

Formats the value using the given formatter.

impl<K: U64, V: Serialize + DeserializeOwned + Clone> KVStore<K, V> for FileKV<K, V>

fn new(file_name: Option<&str>) -> FileKV<K, V>

New key-value store

fn len(&self) -> u64

The length of the store

fn is_empty(&self) -> bool

Check if the store is empty

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

Get a value from the store

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

Get a mutable value from the store

fn set(&mut self, key: K, value: V)

Set a value in the store

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

Check if a key exists

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

where V: 'a,

Iterate over the store

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

where V: 'a,

Iterate mutably over the store

fn cleanup(&mut self)

Cleanup the store