bigloo.foreign.SAFE_PLUS_FX C# (CSharp) Method

        public static Object SAFE_PLUS_FX( int n1, int n2 )
        {
            try
             {
            return BINT(checked(n1 + n2));
             }
             catch (OverflowException e)
             {
            return PLUS_BIGNUM(new bignum(n1), new bignum(n2));
             }
        }