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EntityFragment

Struct EntityFragment 

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

Store-free logical entity definition.

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impl EntityFragment

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pub fn try_new( name: SchemaName, version: DeclaredEntityVersion, fields: Vec<FieldFragment>, primary_key: Vec<FieldSourceKey>, indexes: Vec<IndexFragment>, relations: Vec<RelationFragment>, constraints: Vec<ConstraintFragment>, ) -> Result<EntityFragment, SchemaContractError>

Construct and canonicalize one entity definition.

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Returns a typed contract error for collection overflow, duplicate source keys, malformed policy, expression, or primary-key references.

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pub const fn source_key(&self) -> &EntitySourceKey

Borrow the typed proposal key derived from the current entity name.

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pub const fn name(&self) -> &SchemaName

Borrow the current entity name.

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pub const fn version(&self) -> DeclaredEntityVersion

Return the application-declared current entity version.

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pub fn fields(&self) -> &[FieldFragment]

Borrow canonical field definitions.

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pub fn primary_key(&self) -> &[FieldSourceKey]

Borrow ordered primary-key fields.

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pub fn indexes(&self) -> &[IndexFragment]

Borrow canonical secondary-index definitions.

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pub fn relations(&self) -> &[RelationFragment]

Borrow canonical relation definitions.

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pub fn constraints(&self) -> &[ConstraintFragment]

Borrow canonical source constraint definitions.

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impl Clone for EntityFragment

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fn clone(&self) -> EntityFragment

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 EntityFragment

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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 Eq for EntityFragment

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impl PartialEq for EntityFragment

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fn eq(&self, other: &EntityFragment) -> 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 StructuralPartialEq for EntityFragment

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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<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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.