How to Convert UTF-16 Surrogate Decimal to UNICODE in C++
<p>I got some string data from parameter such as <code>&amp;#55357;&amp;#56842;</code>.</p>

<p>These are Unicode's UTF-16 surrogate pairs represented as decimal.</p>

<p>How can I convert them to Unicode code points such as "U+1F62C" with the standard library?</p>