/// <summary>
/// This function Processes the to string format of the form "yyyy'-'MM'-'dd'T'HH':'mm':'ss.fffffff" for date times in
/// invariant culture scenarios. This implementation takes 20% of the time of a regular .ToString(format) call
/// </summary>
/// <param name="dt"></param>
/// <param name="isUtc"></param>
/// <returns></returns>
public static unsafe int GetDefaultRavenFormat(this DateTime dt, JsonOperationContext context, out AllocatedMemoryData memory, bool isUtc = false)
{
ValidateDate(dt, isUtc);
int size = 27 + (isUtc ? 1 : 0);
var ticks = dt.Ticks;
memory = context.GetMemory(size);
byte *ptr = memory.Address;
ProcessDefaultRavenFormat(ticks, ptr);
if (isUtc)
{
ptr[size - 1] = (byte)'Z';
}
return(size);
}