/// <summary>
/// Returns the TraceId as a 16 character hexadecimal string.
/// </summary>
/// <returns></returns>
public string ToHexString()
{
if (_asHexString == null)
{
fixed(ulong *idPtr = &_id1)
_asHexString = ActivityTraceId.SpanToHexString(new ReadOnlySpan <byte>(idPtr, sizeof(ulong)));
}
return(_asHexString);
}
/// <summary>
/// Returns the TraceId as a 16 character hexadecimal string.
/// </summary>
/// <returns></returns>
public string ToHexString()
{
if (_asHexString == null)
{
fixed(ulong *idPtr = &_id1)
{
// Cast away the read-only-ness of _asHexString, and assign the converted value to it.
// We are OK with this because conceptually the class is still read-only.
ref string strRef = ref Unsafe.AsRef(in _asHexString);
Interlocked.CompareExchange(ref strRef, ActivityTraceId.SpanToHexString(new ReadOnlySpan <byte>(idPtr, sizeof(ulong))), null);
}
}
