Enum CausalClaim 

pub enum CausalClaim {
    Correlation,
    Mediation,
    Intervention,
}

v0.38: Pearlian causal typing for an assertion. The kernel’s pre-v0.38 record carried only direction: Some("positive" | "negative") — enough to know that “X covaries with Y” but not whether the speaker meant correlation, mediation, or intervention. In real review work those are different epistemic claims with different evidence requirements; conflating them produced silent over-claiming.

This release lands the schema layer. The reasoning surface (do-calculus, identifiability, derived bridges that propagate causal vs correlational claims separately) ships in a follow-up. The same staging used v0.32 (Replication as object) → v0.36.1 (Project.replications becomes the source of truth for confidence).

Variants

Correlation

“X covaries with Y” — no claim about generative direction.

Mediation

“X mediates Y → Z” — pathway claim, weaker than intervention.

Intervention

“Setting X=x changes Y” — Pearl’s do(X=x).

Trait Implementations

impl Clone for CausalClaim

fn clone(&self) -> CausalClaim

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CausalClaim

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for CausalClaim

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for CausalClaim

fn eq(&self, other: &CausalClaim) -> 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 CausalClaim

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Copy for CausalClaim

impl Eq for CausalClaim

impl StructuralPartialEq for CausalClaim