/// <summary>
/// Lifts an inner Task out of the OneOf.
/// </summary>
/// <typeparam name="TA"></typeparam>
/// <typeparam name="TB"></typeparam>
/// <param name="oneOf"></param>
/// <returns></returns>
public static async Task <OneOf <TA, TB> > LiftTask <TA, TB>(this OneOf <TA, Task <TB> > oneOf)
{
var isA = oneOf.Extract(x => true, x => false);
if (isA)
{
var a = oneOf.Extract(x => x, x => throw new InvalidOperationException());
return(new OneOf <TA, TB>(a));
}
var b = await oneOf.Extract(x => throw new InvalidOperationException(), x => x);
return(new OneOf <TA, TB>(b));
}
