public State <TData, TOffset> Add(FeatureStruct input, FeatureStruct output, bool replace, State <TData, TOffset> target)
{
CheckFrozen();
if (_isFsa)
{
throw new InvalidOperationException("Outputs are not valid on acceptors.");
}
if (input != null && !input.IsFrozen)
{
throw new ArgumentException("The input must be immutable.", "input");
}
if (output != null && !output.IsFrozen)
{
throw new ArgumentException("The output must be immutable.", "output");
}
Output <TData, TOffset> outputAction;
if (input == null)
{
outputAction = new InsertOutput <TData, TOffset>(output);
}
else if (output == null)
{
outputAction = new RemoveOutput <TData, TOffset>();
}
else if (replace)
{
outputAction = new ReplaceOutput <TData, TOffset>(output);
}
else
{
outputAction = new PriorityUnionOutput <TData, TOffset>(output);
}
return(AddInternal(new Arc <TData, TOffset>(_state, new Input(input, 1), outputAction.ToEnumerable(), target)));
}
public bool Equals(RemoveOutput <TData, TOffset> other)
{
return(other != null);
}