Struct WorldProduct 

pub struct WorldProduct { /* private fields */ }

Pure read-only product for semantic projection, diff, and explanation.

Implementations

impl WorldProduct

pub fn bundled() -> Result<Self, WorldError>

Constructs the bundled baseline provider from its exact authored source.

pub fn project( &self, kind: &str, fact: &str, semantic: Datum, envelope: Option<Datum>, ) -> Result<WorldProjection, WorldError>

Projects one caller-supplied observed semantic fact.

pub fn diff( &self, kind: &str, fact: &str, before: Datum, after: Datum, ) -> Result<Datum, WorldError>

Compares two supplied semantic values under one qualified projection.

pub fn why(&self, conclusion: &str, fact: &str) -> Result<Datum, WorldError>

Explains one exact owner/conclusion/fact path from the sealed closure.

pub const fn effect_calls(&self) -> usize

Reports effect invocations owned by this product; the value is always zero.

Trait Implementations

impl Clone for WorldProduct

fn clone(&self) -> WorldProduct

Returns a duplicate of the value.

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

Performs copy-assignment from source.