Boo.Lang.Runtime.RuntimeServices.UnboxSByte C# (CSharp) Метод

        public static SByte UnboxSByte(object value)
        {
            if (value is SByte)
                return (SByte)value;
            if (value is IConvertible)
                return CheckNumericPromotion(value).ToSByte(null);
            return (SByte)value;
        }