Haskellable
var query =
from m in 777.ToMaybe()
where m % 7 == 0
let x = m * 2
where x < 1000
select m;
query.On(Console.WriteLine);
query.Or(()=>Console.WriteLine("Nothing"));
var safeValue = query.Return(0);
if (query.IsSomething)
{
Console.WriteLine("Something");
}Nuget
PM> Install-Package Haskellable