Struct SetLenOnDrop

pub(in ::vec) struct SetLenOnDrop<'a> { pub(in ::vec::set_len_on_drop) len: &'a mut usize, pub(in ::vec::set_len_on_drop) local_len: usize }

Fields

len: &'a mut usize
local_len: usize

Implementations

impl<'a> SetLenOnDrop<'a>

fn new(len: &'a mut usize) -> Self
fn increment_len(&mut self, increment: usize)
fn current_len(&self) -> usize

Trait Implementations

impl Drop for SetLenOnDrop<'_>

fn drop(&mut self)

Auto Trait Implementations

impl<'a> !UnwindSafe for SetLenOnDrop<'a>

impl<'a> Freeze for SetLenOnDrop<'a>

impl<'a> RefUnwindSafe for SetLenOnDrop<'a>

impl<'a> Send for SetLenOnDrop<'a>

impl<'a> Sync for SetLenOnDrop<'a>

impl<'a> Unpin for SetLenOnDrop<'a>

impl<'a> UnsafeUnpin for SetLenOnDrop<'a>

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for SetLenOnDrop<'a> where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for SetLenOnDrop<'a> where T: ?Sized,

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

impl<T> From<T> for SetLenOnDrop<'a>

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> SizeHint for SetLenOnDrop<'a> where T: ?Sized,

fn lower_bound(&self) -> usize
fn upper_bound(&self) -> Option<usize>

impl<T> SizedTypeProperties for SetLenOnDrop<'a>

impl<T, U> Into<U> for SetLenOnDrop<'a> where U: From<T>,

fn into(self) -> U

Calls U::from(self).

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

impl<T, U> TryFrom<U> for SetLenOnDrop<'a> where U: Into<T>,

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

impl<T, U> TryInto<U> for SetLenOnDrop<'a> where U: TryFrom<T>,

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