public override int GetHashCode()
{
var theseReferences = this.elements
.Select(pair => ComparablePair.From(pair.Key, pair.Value));
return(theseReferences.SetHash());
}
public override bool Equals(object obj)
{
if (obj == null || GetType() != obj.GetType())
{
return(false);
}
var that = (Product)obj;
var thoseReferences = that.elements
.Select(pair => ComparablePair.From(pair.Key, pair.Value));
var theseReferences = this.elements
.Select(pair => ComparablePair.From(pair.Key, pair.Value));
return(thoseReferences.SetEquals(theseReferences));
}