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ScalarKind

Enum ScalarKind 

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pub enum ScalarKind {
Show 21 variants Account, Blob, Bool, Date, Decimal, Duration, Enum, Float32, Float64, Int, Int128, IntBig, Principal, Subaccount, Text, Timestamp, Nat, Nat128, NatBig, Ulid, Unit,
}
Expand description

ScalarKind

Canonical scalar kind used for shared capability metadata.

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Account

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Blob

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Bool

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Date

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Decimal

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Duration

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Enum

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Float32

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Float64

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Int

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Int128

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IntBig

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Principal

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Subaccount

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Text

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Timestamp

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Nat

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Nat128

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NatBig

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Ulid

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Unit

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impl ScalarKind

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pub const fn metadata(self) -> ScalarMetadata

Return the full metadata descriptor for one scalar kind.

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pub const fn coercion_family(self) -> ScalarCoercionFamily

Return coercion routing family for this scalar kind.

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pub const fn is_numeric_value(self) -> bool

Return whether this scalar participates in numeric-valued classification.

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pub const fn supports_numeric_coercion(self) -> bool

Return whether this scalar supports numeric widening coercion.

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pub const fn supports_arithmetic(self) -> bool

Return whether this scalar supports arithmetic trait derivation.

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pub const fn supports_equality(self) -> bool

Return whether this scalar supports equality predicates.

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pub const fn supports_ordering(self) -> bool

Return whether this scalar supports ordering predicates.

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pub const fn is_keyable(self) -> bool

Return whether this scalar is keyable at query/schema level.

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pub const fn is_primary_key_component_encodable(self) -> bool

Return whether this scalar can be encoded as a storage key.

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impl Clone for ScalarKind

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fn clone(&self) -> ScalarKind

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 Copy for ScalarKind

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impl Debug for ScalarKind

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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 ScalarKind

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impl Hash for ScalarKind

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

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 ScalarKind

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

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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> 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.