Struct PersistentMap 

pub struct PersistentMap { /* private fields */ }

A persistent-style map that supports snapshotting.

Implementations

impl PersistentMap

pub fn new() -> Self

pub fn insert(&mut self, key: &str, value: &str)

pub fn get(&self, key: &str) -> Option<&str>

pub fn remove(&mut self, key: &str) -> bool

pub fn contains(&self, key: &str) -> bool

pub fn snapshot(&mut self)

pub fn restore(&mut self, idx: usize) -> bool

pub fn snapshot_count(&self) -> usize

pub fn version(&self) -> u64

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn clear(&mut self)

pub fn keys(&self) -> Vec<&str>

pub fn diff_from_snapshot(&self, idx: usize) -> Vec<String>

Trait Implementations

impl Default for PersistentMap

fn default() -> Self

Returns the “default value” for a type.