Method
Map
func Map<TResult>(mapper: T -> TResult) -> Optional<TResult>Declaring type: Optional<T>
Namespace: System
Assembly: Raven.Core.dll
Source file: Optional.rvn
Projects the value inside Some using mapper. None stays None.
Parameters
| Name | Type | Description |
|---|---|---|
mapper |
T -> TResult |
Return value
Optional<TResult>