Enum EvalClass 

pub enum EvalClass {
    Static,
    ContextRequired,
    Distribution,
}

Spec §10.7.0 partitioning.

Used by the IR planner’s compile-time V4 best-effort fire: if every clause in a comprehension reports EvalClass::Static, the planner can pre-evaluate them with ctx = None and run V4 early; otherwise V4 fires at strategy-invocation time only.

Variants

Static

Statically evaluable with no kernel / param context. evaluate(None) returns a fully-populated EvaluatedSource.

ContextRequired

Requires a kernel context to resolve interpolation references or workload-param lookups. evaluate(None) returns EvalError::NeedsContext.

Distribution

Continuous measure / distribution. evaluate(None) succeeds but emits an empty values vector; the IndexFn is Continuous. The enclosing sampling Order(_, strategy, Some(n)) materializes draws.

Trait Implementations

impl Clone for EvalClass

fn clone(&self) -> EvalClass

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for EvalClass

impl Debug for EvalClass

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

Formats the value using the given formatter.

impl Eq for EvalClass

impl PartialEq for EvalClass

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for EvalClass