Enum ProofKind 

pub enum ProofKind {
    Fact,
    Rule,
    Builtin,
    Negation,
    AntiJoin,
    Aggregate,
    Foreign,
    MissingFact,
    FailedJoin,
    BlockedAlternative,
}

Kinds of proof-DAG nodes. ARD section 4.8.

Variants

Fact

Direct fact lookup.

Rule

Rule application.

Builtin

Built-in evaluation.

Negation

Stratified negation.

AntiJoin

Anti-join.

Aggregate

Aggregate.

Foreign

Contracted foreign predicate.

MissingFact

Negative proof: required fact missing.

FailedJoin

Negative proof: join failed.

BlockedAlternative

Negative proof: blocked alternative.

Trait Implementations

impl Clone for ProofKind

fn clone(&self) -> ProofKind

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ProofKind

impl Debug for ProofKind

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ProofKind

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for ProofKind

impl PartialEq for ProofKind

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for ProofKind

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 ProofKind