Struct smallvec::SetLenOnDrop

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pub(crate) struct SetLenOnDrop<'a> {
    pub(crate) len: &'a mut usize,
    pub(crate) local_len: usize,
}
Expand description

Set the length of the vec when the SetLenOnDrop value goes out of scope.

Copied from https://github.com/rust-lang/rust/pull/36355

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§len: &'a mut usize§local_len: usize

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impl<'a> SetLenOnDrop<'a>

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pub(crate) fn new(len: &'a mut usize) -> Self

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pub(crate) fn get(&self) -> usize

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pub(crate) fn increment_len(&mut self, increment: usize)

Trait Implementations§

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impl<'a> Drop for SetLenOnDrop<'a>

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fn drop(&mut self)

Executes the destructor for this type. Read more

Auto Trait Implementations§

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

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

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

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

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

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.