Method
FromResidual
static func FromResidual(residual: ()) -> Optional<T>Declaring type: Optional<T>
Namespace: System
Assembly: Raven.Core.dll
Source file: Optional.rvn
Implements IPropagatable<Optional<T>, T, Unit>.FromResidual
Constructs an empty option from a propagated residual.
Parameters
| Name | Type | Description |
|---|---|---|
residual |
() |
Return value
Optional<T>