Enum UncertaintyCause 

#[non_exhaustive]
pub enum UncertaintyCause {
    Registration,
    Handler,
    Source,
}

What authority cannot be established without executing project code.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Registration

Registration ownership or execution effects may change the registry.

Handler

Handler values or execution effects cannot establish equivalence.

Source

Source or dependency evidence is missing, without proof of registration invalidation.

Trait Implementations

impl Clone for UncertaintyCause

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for UncertaintyCause

impl Debug for UncertaintyCause

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

Formats the value using the given formatter.

impl Eq for UncertaintyCause

impl PartialEq for UncertaintyCause

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for UncertaintyCause