Enum ValueKind 

pub enum ValueKind {
    Number(RationalInteger),
    Measure(RationalInteger),
    Text(String),
    Date(SemanticDateTime),
    Time(SemanticTime),
    Boolean(bool),
    Ratio(RationalInteger),
    Range(Box<LiteralValue>, Box<LiteralValue>),
}

Value payload (shape of a literal). No type attached. Measure unit is required; Ratio unit is optional (see plan ratio-units-optional.md).

Variants

Number(RationalInteger)

Measure(RationalInteger)

Measure: magnitude in canonical (base-unit) space.

At bind time the user-facing value is multiplied by unit.factor to produce the stored magnitude; API unit maps divide back. Unit/signature identity comes from the node/DataDefinition type via LemmaType::measure_runtime_signature.

Text(String)

Date(SemanticDateTime)

Time(SemanticTime)

Boolean(bool)

Ratio(RationalInteger)

Ratio: canonical magnitude. Display unit comes from the node/DataDefinition type.

Range(Box<LiteralValue>, Box<LiteralValue>)

Implementations

impl ValueKind

pub fn as_decimal_magnitude(&self) -> Result<Decimal, String>

Decimal magnitude for numeric variants (number, measure, ratio).

pub fn structural_byte_size(&self) -> usize

Cheap structural byte-size estimate (no formatting, no rational→decimal).

Used by resource-limit checks where the exact string length is not required — only an upper-bound within a constant factor.

Trait Implementations

impl Clone for ValueKind

fn clone(&self) -> ValueKind

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ValueKind

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ValueKind

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for ValueKind

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

Formats the value using the given formatter.

impl Eq for ValueKind

impl From<&ValueKind> for ValueKind

fn from(value: &DomainValueKind) -> Self

Converts to this type from the input type.

impl Hash for ValueKind

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

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for ValueKind

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for ValueKind

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ValueKind