Enum Value 

pub enum Value {
    Null,
    Bool(bool),
    Int(i64),
    Float(f64),
    Str(String),
}

A single normalized cell value.

Arbitrary corpora (CSV, JSON, NDJSON, logs, Parquet, …) are reduced to a columnar grid of these. The variant set is intentionally small: detectors reason over a closed world, and “honest absence” is represented explicitly by Value::Null rather than by a sentinel number or empty string.

Variants

Null

Bool(bool)

Int(i64)

Float(f64)

Str(String)

Implementations

impl Value

pub fn col_type(&self) -> ColType

The column type this value contributes.

pub fn as_f64(&self) -> Option<f64>

Numeric projection used by statistical detectors.

Int and Float map to their f64 value; Bool maps to 0.0/1.0; Null and Str are non-numeric and return None. Honest absence: a Null never becomes a 0.0 that would skew a mean.

pub fn is_null(&self) -> bool

pub fn canonical(&self) -> String

Canonical string form, used for categorical/frequency detectors and as the basis for stable evidence handles.

impl Value

A total order over values, so detector output (and thus the envelope) is deterministic regardless of input ordering. Cross-variant ties break on a fixed variant rank; floats use f64::total_cmp so NaN has a defined seat.

pub fn total_cmp(&self, other: &Value) -> Ordering

Trait Implementations

impl Clone for Value

fn clone(&self) -> Value

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Value

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Value

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for Value

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for Value

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 Value