using System;

using ErrorOr;

ErrorOr<float> Divide(int a, int b)

{

    if (b == 0)

    {

        return Error.Unexpected(description: "Cannot divide by zero");

    }

​

    return a / b;

}

​

var result = Divide(4, 2);

​

if (result.IsError)

{

    Console.WriteLine(result.FirstError.Description);

    return;

}

​

Console.WriteLine(result.Value * 2); // 4

​

result = Divide(4, 0);

​

if (result.IsError)

{

    Console.WriteLine(result.FirstError.Description);

    return;

}

​

Console.WriteLine(result.Value * 2); // error