public static Object Nconc(Cons args, Environment environment)
{
// With no argument, returns null
if (args == null)
{
return(null);
}
// With one argument, returns that argument
if (args.Length() < 2)
{
return(args.First());
}
for (int i = 0; i < args.Length() - 1; i++)
{
Cons cons = (Cons)args.Nth(i);
cons = (Cons)cons.Last();
cons.Rplacd(args.Nth(i + 1));
}
return(args.First());
}