pub struct SnapshotHistory<S> { /* private fields */ }Implementations§
Source§impl<S> SnapshotHistory<S>
impl<S> SnapshotHistory<S>
pub fn new(limit: usize) -> Self
pub fn set_limit(&mut self, limit: usize)
pub fn clear(&mut self)
pub fn can_undo(&self) -> bool
Sourcepub fn record(&mut self, before: Option<S>)
pub fn record(&mut self, before: Option<S>)
Every edit discards redo. None continues the caller’s current group.
pub fn undo(&mut self, current: impl FnOnce() -> S) -> Option<S>
pub fn redo(&mut self, current: impl FnOnce() -> S) -> Option<S>
Auto Trait Implementations§
impl<S> Freeze for SnapshotHistory<S>
impl<S> RefUnwindSafe for SnapshotHistory<S>
impl<S> Send for SnapshotHistory<S>
impl<S> Sync for SnapshotHistory<S>
impl<S> Unpin for SnapshotHistory<S>
impl<S> UnsafeUnpin for SnapshotHistory<S>
impl<S> UnwindSafe for SnapshotHistory<S>
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
Source§impl<T> Instrument for T
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
Source§fn in_current_span(self) -> Instrumented<Self> ⓘ
fn in_current_span(self) -> Instrumented<Self> ⓘ
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read more