Unstoppable

Struct Unstoppable 

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pub struct Unstoppable;
Expand description

A Stop implementation that never stops (no cooperative cancellation).

This is a zero-cost type for callers who don’t need cancellation support. All methods are inlined and optimized away.

The name Unstoppable clearly communicates that this operation cannot be cooperatively cancelled - there is no cancellation token to check.

§Example

use enough::{Stop, Unstoppable};

fn process(data: &[u8], stop: impl Stop) -> Vec<u8> {
    // ...
}

// Caller doesn't need cancellation
let data = [1u8, 2, 3];
let result = process(&data, Unstoppable);

Trait Implementations§

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impl Clone for Unstoppable

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fn clone(&self) -> Unstoppable

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Unstoppable

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl Default for Unstoppable

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fn default() -> Unstoppable

Returns the “default value” for a type. Read more
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impl Hash for Unstoppable

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fn hash<__H>(&self, state: &mut __H)
where __H: Hasher,

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for Unstoppable

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fn eq(&self, other: &Unstoppable) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Stop for Unstoppable

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fn check(&self) -> Result<(), StopReason>

Check if the operation should stop. Read more
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fn should_stop(&self) -> bool

Returns true if the operation should stop. Read more
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impl Copy for Unstoppable

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impl Eq for Unstoppable

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impl StructuralPartialEq for Unstoppable

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where 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 T
where 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 T
where 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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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 T
where 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> StopExt for T
where T: Stop,

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fn or<S: Stop>(self, other: S) -> OrStop<Self, S>

Combine this stop with another, stopping if either stops. Read more
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fn into_boxed(self) -> BoxedStop
where Self: 'static,

Convert this stop into a boxed trait object. Read more
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fn child(&self) -> ChildStopper
where Self: Clone + 'static,

Create a child stop that inherits cancellation from this stop. Read more
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impl<T> TimeoutExt for T
where T: Stop,

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fn with_timeout(self, duration: Duration) -> WithTimeout<Self>

Add a timeout to this stop. Read more
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fn with_deadline(self, deadline: Instant) -> WithTimeout<Self>

Add an absolute deadline to this stop. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where 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 T
where 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.