Struct RedoStack 

pub struct RedoStack<T> { /* private fields */ }

Redo stack for storing undone states.

Implementations

impl<T: Clone> RedoStack<T>

pub fn new() -> Self

Create a new redo stack.

pub fn push(&mut self, state: T)

Push a state onto the redo stack.

pub fn pop(&mut self) -> Option<T>

Pop the most recent state from the redo stack.

pub fn len(&self) -> usize

Get the number of states in the redo stack.

pub fn is_empty(&self) -> bool

Check if the redo stack is empty.

pub fn clear(&mut self)

Clear all states from the redo stack.

pub fn can_redo(&self) -> bool

Check if we can redo.

Trait Implementations

impl<T: Clone> Clone for RedoStack<T>

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for RedoStack<T>

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

Formats the value using the given formatter.

impl<T: Clone> Default for RedoStack<T>

fn default() -> Self

Returns the “default value” for a type.