Member group
FirstOrNone
Declaring type: EnumerableOption<T>
Namespace: System.Linq
Assembly: Raven.Core.dll
Source file: LinqExtensions.rvn
Overloads / Variants
FirstOrNone
func FirstOrNone<T>(predicate: T -> bool) -> Optional<T>Source file: LinqExtensions.rvn
Extension from EnumerableOption<T>.FirstOrNone
Returns the first matching element as Some, or None when no element matches.
Parameters
| Name | Type | Description |
|---|---|---|
self |
IEnumerable<T> | |
predicate |
T -> Boolean |
Return value
Optional<T>
FirstOrNone
func FirstOrNone<T>() -> Optional<T>Source file: LinqExtensions.rvn
Extension from EnumerableOption<T>.FirstOrNone
Returns the first element as Some, or None for an empty sequence.
Parameters
| Name | Type | Description |
|---|---|---|
self |
IEnumerable<T> |
Return value
Optional<T>