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// Declare a variable.
int i;
// Assign the variable.
i = 42;

Sander Rossel wrote:

Currently, I have a coworker who writes comments like:

public static class ErrorExtensions
{
     // non-generic version of 'IsNonNull omitted here

     // note: uses optional compiler directive 'ErrorsToConsole

     public static bool IsNonNull<T>(this T refobj, bool throwerror = false, string message = null)
    where T : class
    {
        if (refobj == null)
        {
            string mess = string.Format("instance of {0} is null: {1}",typeof(T).Name, message);
    
            if (throwerror)
            {
                throw new NullReferenceException(mess);
            }
            else
            {
#if ErrorsToConsole
                Console.WriteLine(mess);
#endif
            }
    
            return false;
        }
    
        return true;
    }
}

try
{
    someObj.SomeMethod();
}
catch (Exception)
{
    Response.Redirect("http://www.codeproject.com/search.aspx?q=Object+reference+not+set+to+an+instance+of+an+object&sbo=qa");
}

if (!someObj) {...}

John Simmons / outlaw programmer wrote:

bullsh|t "?" operator

if (someObj) { ... }

if (!someObj) { ... }

someObj?.DoStuff();