Enum Crash 

pub enum Crash {
    Failed,
    Panicked,
}

How the fold crashed. The reason VALUE stays with the driver in both cases (heterogeneous error types and panic payloads are runtime plumbing — typed reasons are the homogeneous-fleet door, deferred); the fold receives the DOMAIN. Both variants classify as abnormal; the distinction is preserved for future policy (e.g. poison-message handling) and for trace truth — the death site knows which one happened, and the report must not collapse it.

Variants

Failed

step returned Err — the behavior’s declared controlled crash.

Panicked

The fold panicked — an undeclared programmer bug.

Trait Implementations

impl Clone for Crash

fn clone(&self) -> Crash

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Crash

impl Debug for Crash

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

Formats the value using the given formatter.

impl Eq for Crash

impl PartialEq for Crash

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Crash