pub struct UndoHistory {
pub undo_stack: Vec<UndoEntry>,
pub redo_stack: Vec<UndoEntry>,
pub max_depth: usize,
}Expand description
Fixed-capacity undo/redo history.
Fields§
§undo_stack: Vec<UndoEntry>§redo_stack: Vec<UndoEntry>§max_depth: usizeImplementations§
Source§impl UndoHistory
impl UndoHistory
Sourcepub fn pop_undo(&mut self, current: UndoEntry) -> Option<UndoEntry>
pub fn pop_undo(&mut self, current: UndoEntry) -> Option<UndoEntry>
Pop the most recent undo entry, moving current state to redo.
Sourcepub fn pop_redo(&mut self, current: UndoEntry) -> Option<UndoEntry>
pub fn pop_redo(&mut self, current: UndoEntry) -> Option<UndoEntry>
Pop the most recent redo entry, moving current state to undo.
pub fn can_undo(&self) -> bool
pub fn can_redo(&self) -> bool
Trait Implementations§
Source§impl Clone for UndoHistory
impl Clone for UndoHistory
Source§fn clone(&self) -> UndoHistory
fn clone(&self) -> UndoHistory
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreSource§impl Debug for UndoHistory
impl Debug for UndoHistory
Auto Trait Implementations§
impl Freeze for UndoHistory
impl RefUnwindSafe for UndoHistory
impl Send for UndoHistory
impl Sync for UndoHistory
impl Unpin for UndoHistory
impl UnsafeUnpin for UndoHistory
impl UnwindSafe for UndoHistory
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