public static StringSpan CombineSequential(this StringSpan span, StringSpan second)
{
if (span.BaseString != second.BaseString)
{
throw new System.InvalidOperationException();
}
if (span.End != second.Start)
{
throw new System.InvalidOperationException();
}
return(new StringSpan(span.BaseString, span.Start, second.End));
}
