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LoopResult

Enum LoopResult 

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pub enum LoopResult<T> {
    Again(T),
    Done(T),
}
Expand description

The result of a single loop iteration.

A task inside a loop_task must return LoopResult<T>:

  • Again(value) — feed value back as input to the next iteration.
  • Done(value) — exit the loop; value becomes the loop’s output.

§Example

use sayiir_core::LoopResult;

fn refine(draft: String) -> LoopResult<String> {
    if draft.len() > 100 {
        LoopResult::Done(draft)
    } else {
        LoopResult::Again(format!("{draft} ...more"))
    }
}

Variants§

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Again(T)

Continue looping with the wrapped value as the next iteration’s input.

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Done(T)

Exit the loop with the wrapped value as the loop’s output.

Implementations§

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impl<T> LoopResult<T>

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pub fn is_done(&self) -> bool

Returns true if this is a Done variant.

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pub fn is_again(&self) -> bool

Returns true if this is an Again variant.

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pub fn into_inner(self) -> T

Unwrap the inner value regardless of variant.

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pub fn into_decision(self) -> (LoopDecision, T)

Split into a LoopDecision and the inner value.

Trait Implementations§

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impl<T: Clone> Clone for LoopResult<T>

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fn clone(&self) -> LoopResult<T>

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<T: Debug> Debug for LoopResult<T>

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

Formats the value using the given formatter. Read more
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impl<'de, T> Deserialize<'de> for LoopResult<T>
where T: Deserialize<'de>,

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl<T> LoopOutput for LoopResult<T>

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type Inner = T

The inner type after unwrapping the LoopResult envelope.
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impl<T> Serialize for LoopResult<T>
where T: Serialize,

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

Auto Trait Implementations§

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impl<T> Freeze for LoopResult<T>
where T: Freeze,

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impl<T> RefUnwindSafe for LoopResult<T>
where T: RefUnwindSafe,

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impl<T> Send for LoopResult<T>
where T: Send,

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impl<T> Sync for LoopResult<T>
where T: Sync,

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impl<T> Unpin for LoopResult<T>
where T: Unpin,

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impl<T> UnsafeUnpin for LoopResult<T>
where T: UnsafeUnpin,

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impl<T> UnwindSafe for LoopResult<T>
where T: UnwindSafe,

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> Same for T

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type Output = T

Should always be Self
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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.
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,