Struct UndoTree 

pub struct UndoTree { /* private fields */ }

Implementations

impl UndoTree

pub fn new() -> Self

pub fn push(&mut self, entry: UndoEntry)

pub fn can_undo(&self) -> bool

pub fn can_redo(&self) -> bool

pub fn pop_undo(&mut self) -> Option<UndoEntry>

pub fn pop_redo(&mut self) -> Option<UndoEntry>

pub fn undo_len(&self) -> usize

pub fn redo_len(&self) -> usize

Trait Implementations

impl Clone for UndoTree

fn clone(&self) -> UndoTree

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for UndoTree

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

Formats the value using the given formatter.

impl Default for UndoTree

fn default() -> UndoTree

Returns the “default value” for a type.