Struct History 

pub struct History { /* private fields */ }

Implementations

impl History

pub fn new() -> Self

pub fn with_capacity(capacity: usize) -> Self

pub fn capacity(&self) -> usize

pub fn is_enabled(&self) -> bool

pub fn position(&self) -> usize

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn can_undo(&self) -> bool

pub fn can_redo(&self) -> bool

pub fn undo_count(&self) -> usize

pub fn redo_count(&self) -> usize

pub fn undo(&mut self) -> Option<Vec<Value>>

pub fn redo(&mut self) -> Option<Vec<Value>>

pub fn record(&mut self, snapshot: Vec<Value>)

pub fn seed(&mut self, snapshot: Vec<Value>)

Trait Implementations

impl Clone for History

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for History

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

Formats the value using the given formatter.

impl Default for History

fn default() -> Self

Returns the “default value” for a type.