/// <summary>
/// Compares the value of this instance to a specified <see cref="ZonedDateTime"/> value and returns an integer
/// that indicates whether this instance is earlier than, the same as, or later than the specified
/// DateTime value.
/// </summary>
/// <param name="other">The object to compare to the current instance.</param>
/// <returns>A signed number indicating the relative values of this instance and the value parameter.</returns>
public int CompareTo(ZonedDateTime other)
{
if (ReferenceEquals(this, other))
{
return(0);
}
if (other is null)
{
return(1);
}
var thisEpochSeconds = this.ToEpochSeconds() - OffsetSeconds;
var otherEpochSeconds = other.ToEpochSeconds() - other.OffsetSeconds;
var epochComparison = thisEpochSeconds.CompareTo(otherEpochSeconds);
if (epochComparison != 0)
{
return(epochComparison);
}
return(Nanosecond.CompareTo(other.Nanosecond));
}
