Enum RuntimeValue 

pub enum RuntimeValue {
    Coordinates(Coordinates),
    Number {
        value: f64,
        provenance: Provenance,
    },
    Text {
        value: String,
        provenance: Provenance,
    },
}

A value observed at runtime, tagged with the evidence that produced it. 运行期观测到的取值，并携带产出它的证据。

Variants

Coordinates(Coordinates)

Geometry carrying both its actual and expected coordinate spaces. 同时携带实际坐标系与预期坐标系的几何取值。

Number

A numeric observation plus its provenance. 数值观测及其来源。

Fields

value: f64

The observed number. 观测到的数值。

provenance: Provenance

Evidence explaining where the number came from. 说明该数值由来的证据。

Text

A text observation plus its provenance. 文本观测及其来源。

Fields

value: String

The observed text. 观测到的文本。

provenance: Provenance

Evidence explaining where the text came from. 说明该文本由来的证据。

Implementations

impl RuntimeValue

pub fn number(value: f64, provenance: Provenance) -> RuntimeValue

Build a numeric value carrying its provenance. 构建携带来源证据的数值。

pub fn text(value: impl Into<String>, provenance: Provenance) -> RuntimeValue

Build a text value carrying its provenance. 构建携带来源证据的文本值。

pub fn provenance(&self) -> &Provenance

Borrow the evidence chain shared by every variant. 借用各变体共有的证据链。

pub const fn kind(&self) -> &'static str

Stable kind name used in check-failure messages. 用于校验失败消息的稳定种类名。

Trait Implementations

impl Clone for RuntimeValue

fn clone(&self) -> RuntimeValue

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RuntimeValue

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

Formats the value using the given formatter.