Method
ElementAtOrError
func ElementAtOrError<T, E>(index: int, errorFactory: () -> E) -> Result<T, E>Declaring type: EnumerableOption<T>
Namespace: System.Linq
Assembly: Raven.Core.dll
Source file: LinqExtensions.rvn
Extension from EnumerableOption<T>.ElementAtOrError
Returns the element at index as Ok, or an error when the index is out of range.
Parameters
| Name | Type | Description |
|---|---|---|
self |
IEnumerable<T> | |
index |
Int32 | |
errorFactory |
() -> E |
Return value
Result<T, E>