Enum LineageError 

pub enum LineageError<N> {
    Cycle {
        path: Vec<N>,
    },
    ConflictingPrecedence {
        parents: (N, N),
        constraint: PrecedenceConstraint<N>,
    },
    NodeBudgetExhausted {
        limit: usize,
        required: usize,
    },
    WorkBudgetExhausted {
        limit: usize,
        performed: usize,
    },
}

Exact, inspectable failure evidence from a lineage policy.

Variants

Cycle

Fields

path: Vec<N>

ConflictingPrecedence

Fields

parents: (N, N)

constraint: PrecedenceConstraint<N>

NodeBudgetExhausted

Fields

limit: usize

required: usize

WorkBudgetExhausted

Fields

limit: usize

performed: usize

Trait Implementations

impl<N: Clone> Clone for LineageError<N>

fn clone(&self) -> LineageError<N>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<N: Debug> Debug for LineageError<N>

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

Formats the value using the given formatter.

impl<N: Eq> Eq for LineageError<N>

impl<N: PartialEq> PartialEq for LineageError<N>

fn eq(&self, other: &LineageError<N>) -> bool

Equality operator ==.

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

Inequality operator !=.

impl<N: PartialEq> StructuralPartialEq for LineageError<N>