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MigrationAssertionPlan

Struct MigrationAssertionPlan 

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pub struct MigrationAssertionPlan { /* private fields */ }
Expand description

A context-free, canonical typed migration assertion.

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impl MigrationAssertionPlan

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pub fn new( bindings: Vec<AssertionBinding>, patterns: Vec<AssertionPattern>, outputs: Vec<BindingId>, witnesses: Vec<BindingId>, managed_semantics: ManagedSemanticSchemaFingerprint, expectation: AssertionExpectation, ) -> Result<Self, Diagnostic>

Validate and construct one canonical plan under fixed protocol limits.

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pub const fn format(&self) -> FormatVersion

Return the owning format version.

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pub const fn managed_semantics(&self) -> &ManagedSemanticSchemaFingerprint

Return the exact managed semantic schema this plan was validated against.

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pub fn bindings(&self) -> &[AssertionBinding]

Return dense binding declarations.

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pub fn binding(&self, id: BindingId) -> Option<&AssertionBinding>

Look up one dense binding declaration.

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pub fn patterns(&self) -> &[AssertionPattern]

Return the ordered positive/negative pattern conjunction.

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pub fn outputs(&self) -> &[BindingId]

Return canonical-sorted output bindings.

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pub fn witnesses(&self) -> &[BindingId]

Return canonical-sorted hidden witness bindings.

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pub const fn expectation(&self) -> AssertionExpectation

Return the closed assertion expectation.

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pub const fn required_capabilities(&self) -> &CapabilitySet

Return open capabilities derived from syntax.

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pub fn canonical_bytes(&self) -> Result<Vec<u8>, Diagnostic>

Encode exact canonical bytes.

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pub fn fingerprint( &self, ) -> Result<MigrationAssertionPlanFingerprint, Diagnostic>

Compute a canonical domain-separated plan fingerprint.

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impl Clone for MigrationAssertionPlan

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fn clone(&self) -> MigrationAssertionPlan

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 MigrationAssertionPlan

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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 MigrationAssertionPlan

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impl PartialEq for MigrationAssertionPlan

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl Serialize for MigrationAssertionPlan

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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 MigrationAssertionPlan

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> 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 = !

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

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.