Struct VersionedMapEditor 

pub struct VersionedMapEditor { /* private fields */ }

Mutation collector used by VersionedMap::edit.

Implementations

impl VersionedMapEditor

pub fn new() -> Self

Create an empty edit.

pub fn put( &mut self, key: impl Into<Vec<u8>>, value: impl Into<Vec<u8>>, ) -> &mut Self

Insert or replace a key.

pub fn delete(&mut self, key: impl Into<Vec<u8>>) -> &mut Self

Delete a key.

pub fn push(&mut self, mutation: Mutation) -> &mut Self

Append an already constructed mutation.

pub fn len(&self) -> usize

Number of collected mutations.

pub fn is_empty(&self) -> bool

Whether no mutations have been collected.

Trait Implementations

impl Clone for VersionedMapEditor

fn clone(&self) -> VersionedMapEditor

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for VersionedMapEditor

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

Formats the value using the given formatter.

impl Default for VersionedMapEditor

fn default() -> VersionedMapEditor

Returns the “default value” for a type.