[−][src]Struct history_navigation::History
History is a vector with support for go forward and go back
Fields
index: usize
Methods
impl<T> History<T>
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pub const fn new() -> History<T>
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Creates a new history
pub const fn can_go_backward(&self) -> bool
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Returns whether you can go backwards
pub fn can_go_forward(&self) -> bool
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Returns whether you can go forwards
pub fn go_forward(&mut self)
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Go forward
pub fn go_multi_forward(&mut self, count: usize)
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Go count
times forward
pub fn go_backward(&mut self)
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Go backwards
pub fn go_multi_backward(&mut self, count: usize)
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Go count
times backwards
pub fn push(&mut self, element: T)
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Pushes a new element to history
pub fn pop(&mut self) -> Option<T>
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Removes the last element from a vector and returns it, or None
if it is empty
pub fn get_current(&self) -> &T
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Returns the current element
pub fn len(&self) -> usize
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Returns the length of the history
Trait Implementations
impl<T> Index<usize> for History<T>
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type Output = T
The returned type after indexing.
fn index(&self, index: usize) -> &Self::Output
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impl<T> IndexMut<usize> for History<T>
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Auto Trait Implementations
impl<T> RefUnwindSafe for History<T> where
T: RefUnwindSafe,
T: RefUnwindSafe,
impl<T> Send for History<T> where
T: Send,
T: Send,
impl<T> Sync for History<T> where
T: Sync,
T: Sync,
impl<T> Unpin for History<T> where
T: Unpin,
T: Unpin,
impl<T> UnwindSafe for History<T> where
T: UnwindSafe,
T: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,