/// <summary>
/// Examine if tit and tat are equal as sequenced collections
/// using the specified item equalityComparer (assumed compatible with the two collections).
/// </summary>
/// <param name="collection1">The first collection</param>
/// <param name="collection2">The second collection</param>
/// <param name="itemequalityComparer">The item equalityComparer to use for comparison</param>
/// <returns>True if equal</returns>
public static bool StaticEquals(ISequenced <T> collection1, ISequenced <T> collection2, System.Collections.Generic.IEqualityComparer <T> itemequalityComparer)
{
if (object.ReferenceEquals(collection1, collection2))
{
return(true);
}
if (collection1.Count != collection2.Count)
{
return(false);
}
//This way we might run through both enumerations twice, but
//probably not (if the hash codes are good)
if (collection1.GetSequencedHashCode() != collection2.GetSequencedHashCode())
{
return(false);
}
using (System.Collections.Generic.IEnumerator <T> dat = collection2.GetEnumerator(), dit = collection1.GetEnumerator())
{
while (dit.MoveNext())
{
dat.MoveNext();
if (!itemequalityComparer.Equals(dit.Current, dat.Current))
{
return(false);
}
}
}
return(true);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public int GetSequencedHashCode()
{
return(sequenced.GetSequencedHashCode());
}