ResultExtensionsFlatten(ResRes) Method

Flattens the result of result; i.e., Res<Res> -> Res, by mapping:
  • Err => Err,
  • Ok(Err) => Err,
  • Ok(Ok) => Ok.
C#
Res<Res> nestedResult = Err<Res>("msg");
Res result = nestedResult.Flatten();
Assert(result.IsErr and result.ErrorMessage() == Some("msg"));

Res<Res> nestedResult = Ok(Err("msg"));
Res result = nestedResult.Flatten();
Assert(result.IsErr and result.ErrorMessage() == Some("msg"));

Res<Res> nestedResult = Ok(Ok());
Res result = nestedResult.Flatten();
Assert(result.IsOk);

Definition

Namespace: Orx.Fun.Result
Assembly: Orx.Fun.Result (in Orx.Fun.Result.dll) Version: 1.3.0+344c8bdd6f720ccfb2d8db7c61b76cf02be18f5f
C#
public static Res Flatten(
	this Res<Res> result
)

Parameters

result  ResRes
Res of Res to be flattened.

Return Value

Res

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type ResRes. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

See Also