Method wrap

src/test/java/com/amazon/ion/StructTest.java:55–73

(String... children)

    }

    @Override
    protected String wrap(String... children)
    {
        StringBuilder buf = new StringBuilder();
        buf.append('{');
        if (children != null)
        {
            for (int i = 0; i < children.length; i++)
            {
                buf.append('f');
                buf.append(i);
                buf.append(':');
                buf.append(children[i]);
                buf.append(',');
            }
        }
        buf.append('}');
        return buf.toString();
    }

    @Override
    protected IonStruct wrapAndParse(String... children)