pub trait KeyedBoundFoldLike: Sealed {
type WhenValueUnbounded: KeyedSingletonBound<UnderlyingBound = Self>;
type WhenValueBounded: KeyedSingletonBound<UnderlyingBound = Self>;
}
Expand description
Helper trait that determines the boundedness for the result of keyed aggregations.
Required Associated Types§
Sourcetype WhenValueUnbounded: KeyedSingletonBound<UnderlyingBound = Self>
type WhenValueUnbounded: KeyedSingletonBound<UnderlyingBound = Self>
The boundedness of the keyed singleton if the values for each key will asynchronously change.
Sourcetype WhenValueBounded: KeyedSingletonBound<UnderlyingBound = Self>
type WhenValueBounded: KeyedSingletonBound<UnderlyingBound = Self>
The boundedness of the keyed singleton if the value for each key is immutable.