/// <summary>
/// Mix two collection
/// </summary>
/// <typeparam name="TItem2">Item2 type</typeparam>
/// <typeparam name="TResult">Return item type</typeparam>
/// <param name="mixWith">Mix collection</param>
/// <param name="transform">The Transform</param>
/// <returns>Mixed collection</returns>
public WeightedCollection <TResult> Mix <TItem2, TResult>(
WeightedCollection <TItem2> mixWith, Func <TItem, TItem2, TResult> transform)
{
this.Init();
mixWith.Init();
var ret = new WeightedCollection <TResult>();
foreach (var w1 in this.weightList.GroupBy(w => w))
{
foreach (var w2 in mixWith.weightList.GroupBy(w => w))
{
ret.Add(transform(this.Items[w1.Key], mixWith.Items[w2.Key]), w1.Count() * w2.Count());
}
}
return(ret);
}
/// <summary>
/// Union two collections
/// </summary>
/// <param name="unionWith">unit collection</param>
/// <returns>union collection</returns>
public WeightedCollection <TItem> Union(WeightedCollection <TItem> unionWith)
{
this.Init();
unionWith.Init();
var ret = new WeightedCollection <TItem>();
foreach (var w1 in this.weightList.GroupBy(w => w))
{
ret.Add(this.Items[w1.Key], w1.Count());
}
foreach (var w1 in unionWith.weightList.GroupBy(w => w))
{
ret.Add(unionWith.Items[w1.Key], w1.Count());
}
return(ret);
}
/// <summary>
/// Mix two collections
/// </summary>
/// <typeparam name="TItem2">Item2 type</typeparam>
/// <param name="mixWith">mixwith collection</param>
/// <returns>Mixed collection</returns>
public WeightedCollection <Tuple <TItem, TItem2> > Mix <TItem2>(WeightedCollection <TItem2> mixWith)
{
return(Mix(mixWith, Tuple.Create));
}