using System;

public class Program

{

    public static void Main()

    {

        ParseAndPrint( 1.0M );

        ParseAndPrint( 2.2M );

        ParseAndPrint( null );

    }

    public static void ParseAndPrint( decimal ? dec )

    {

        int? parseAppliedAmount( decimal? d ) {

            if ( d.HasValue )

            {

                return Convert.ToInt32( Math.Round(d.Value, 0) );

            }

            else

            {

                return null;

            }

        }

        /* This is the local/ternary function I want to use, but it does not compile

        int? parseAppliedAmountTernary( decimal? d ) { 

            d.HasValue ? return Convert.ToInt32( Math.Round(d.Value, 0) ) : return null;

        }

        */

        int? intAmount = parseAppliedAmount( dec );

        string output = intAmount.HasValue ? intAmount.Value.ToString() : "(null)";

​

        Console.WriteLine( "Parsed int amount: " + output );

    }

}