/// <summary>
/// Converts a Bindings Clause to a Multiset
/// </summary>
/// <returns></returns>
public BaseMultiset ToMultiset()
{
if (this._vars.Any())
{
Multiset m = new Multiset();
foreach (String var in this._vars)
{
m.AddVariable(var);
}
foreach (BindingTuple tuple in this._tuples)
{
m.Add(new Set(tuple));
}
return(m);
}
else
{
return(new IdentityMultiset());
}
}
/// <summary>
/// Handles a Variable by adding it to the Multiset.
/// </summary>
/// <param name="var">Variable.</param>
/// <returns></returns>
protected override bool HandleVariableInternal(string var)
{
_mset.AddVariable(var);
return(true);
}