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OmenaFixtureCascadeV0

Struct OmenaFixtureCascadeV0 

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pub struct OmenaFixtureCascadeV0 {
    pub winner_id: String,
    pub witness_ids: Vec<String>,
}
Expand description

Minimal cascade-outcome projection consumed by the fixture evaluator.

The engine produces a CascadeOutcome (omena-cascade) per resolved scope; the consumer projects the winning declaration id and the witness set (the winner plus every also-considered/challenger declaration that participated in the cascade comparison) so omena-testkit need not depend on omena-cascade. A cascade-outcome <id> expectation passes when <id> equals winner_id; a cascade-witness <id> expectation passes when <id> appears in witness_ids.

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§winner_id: String

Winning declaration id for the resolved scope, e.g. decl-1.

§witness_ids: Vec<String>

Declaration ids that participated in the cascade as witnesses.

This is the winner plus every also-considered/challenger declaration the engine ranked, so a cascade-witness assertion can name any declaration that took part in the comparison, not just the winner.

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impl OmenaFixtureCascadeV0

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pub fn new( winner_id: impl Into<String>, witness_ids: impl IntoIterator<Item = String>, ) -> Self

Build a cascade projection from a winner id and its witness declaration ids.

The winner id is always treated as a witness, so callers need not repeat it in witness_ids.

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impl Clone for OmenaFixtureCascadeV0

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fn clone(&self) -> OmenaFixtureCascadeV0

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for OmenaFixtureCascadeV0

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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 Eq for OmenaFixtureCascadeV0

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impl PartialEq for OmenaFixtureCascadeV0

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fn eq(&self, other: &OmenaFixtureCascadeV0) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

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 Serialize for OmenaFixtureCascadeV0

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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
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impl StructuralPartialEq for OmenaFixtureCascadeV0

Auto Trait 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> 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.