Struct style::traversal::PreTraverseToken
source · pub struct PreTraverseToken<E: TElement>(Option<E>);Expand description
We use this structure, rather than just returning a boolean from pre_traverse, to enfore that callers process root invalidations before starting the traversal.
Tuple Fields§
§0: Option<E>Implementations§
source§impl<E: TElement> PreTraverseToken<E>
impl<E: TElement> PreTraverseToken<E>
sourcepub fn should_traverse(&self) -> bool
pub fn should_traverse(&self) -> bool
Whether we should traverse children.
sourcepub(crate) fn traversal_root(self) -> Option<E>
pub(crate) fn traversal_root(self) -> Option<E>
Returns the traversal root for the current traversal.
Auto Trait Implementations§
impl<E> Freeze for PreTraverseToken<E>where
E: Freeze,
impl<E> RefUnwindSafe for PreTraverseToken<E>where
E: RefUnwindSafe,
impl<E> Send for PreTraverseToken<E>where
E: Send,
impl<E> Sync for PreTraverseToken<E>where
E: Sync,
impl<E> Unpin for PreTraverseToken<E>where
E: Unpin,
impl<E> UnwindSafe for PreTraverseToken<E>where
E: UnwindSafe,
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
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 moresource§impl<T> MaybeBoxed<Box<T>> for T
impl<T> MaybeBoxed<Box<T>> for T
source§fn maybe_boxed(self) -> Box<T>
fn maybe_boxed(self) -> Box<T>
Convert
source§impl<T> MaybeBoxed<T> for T
impl<T> MaybeBoxed<T> for T
source§fn maybe_boxed(self) -> T
fn maybe_boxed(self) -> T
Convert