kernel::list

Struct Cursor

Source 
pub struct Cursor<'a, T: ?Sized + ListItem<ID>, const ID: u64 = 0> { /* private fields */ }
Expand description

A cursor into a List.

§Invariants

The current pointer points a value in list.

Implementations§

Source§

impl<'a, T: ?Sized + ListItem<ID>, const ID: u64> Cursor<'a, T, ID>

Source

pub fn current(&self) -> ArcBorrow<'_, T>

Access the current element of this cursor.

Source

pub fn next(self) -> Option<Cursor<'a, T, ID>>

Move the cursor to the next element.

Source

pub fn prev(self) -> Option<Cursor<'a, T, ID>>

Move the cursor to the previous element.

Source

pub fn remove(self) -> ListArc<T, ID>

Remove the current element from the list.

Auto Trait Implementations§

§

impl<'a, T, const ID: u64> Freeze for Cursor<'a, T, ID>
where T: ?Sized,

§

impl<'a, T, const ID: u64 = 0> !RefUnwindSafe for Cursor<'a, T, ID>

§

impl<'a, T, const ID: u64 = 0> !Send for Cursor<'a, T, ID>

§

impl<'a, T, const ID: u64 = 0> !Sync for Cursor<'a, T, ID>

§

impl<'a, T, const ID: u64> Unpin for Cursor<'a, T, ID>
where T: ?Sized,

§

impl<'a, T, const ID: u64 = 0> !UnwindSafe for Cursor<'a, T, ID>

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, E> Init<T, E> for T

Source§

unsafe fn __init(self, slot: *mut T) -> Result<(), E>

Initializes slot. Read more
Source§

fn chain<F>(self, f: F) -> ChainInit<Self, F, T, E>
where F: FnOnce(&mut T) -> Result<(), E>,

First initializes the value using self then calls the function f with the initialized value. Read more
Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T, E> PinInit<T, E> for T

Source§

unsafe fn __pinned_init(self, slot: *mut T) -> Result<(), E>

Initializes slot. Read more
Source§

fn pin_chain<F>(self, f: F) -> ChainPinInit<Self, F, T, E>
where F: FnOnce(Pin<&mut T>) -> Result<(), E>,

First initializes the value using self then calls the function f with the initialized value. Read more
Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.