Struct MemoryStorage 

pub struct MemoryStorage { /* private fields */ }

Implementations

impl MemoryStorage

pub fn new() -> Self

Trait Implementations

impl Default for MemoryStorage

fn default() -> MemoryStorage

Returns the “default value” for a type.

impl Storage for MemoryStorage

fn get(&self, key: &[u8]) -> Option<Vec<u8>>

Returns None when key does not exist. Returns Some(Vec) when key exists.

fn set(&mut self, key: &[u8], value: &[u8])

fn remove(&mut self, key: &[u8])

Removes a database entry at key.

fn range<'a>( &'a self, start: Option<&[u8]>, end: Option<&[u8]>, order: Order, ) -> Box<dyn Iterator<Item = (Vec<u8>, Vec<u8>)> + 'a>

Allows iteration over a set of key/value pairs, either forwards or backwards.

fn range_keys<'a>( &'a self, start: Option<&[u8]>, end: Option<&[u8]>, order: Order, ) -> Box<dyn Iterator<Item = Vec<u8>> + 'a>

Allows iteration over a set of keys, either forwards or backwards.

fn range_values<'a>( &'a self, start: Option<&[u8]>, end: Option<&[u8]>, order: Order, ) -> Box<dyn Iterator<Item = Vec<u8>> + 'a>

Allows iteration over a set of values, either forwards or backwards.