public Sequence(List <BaseStatement> statements)
{
Reducible = true;
if (statements.Count >= 2)
{
Last = new Queue <BaseStatement>(statements);
First = Last.Dequeue();
}
else
{
if (statements.Count == 0)
{
First = new DoNothing();
}
else
{
First = statements[0];
}
Last = new Queue <BaseStatement>();
}
}
public Sequence(BaseStatement first, Queue <BaseStatement> last)
{
Reducible = true;
First = first;
Last = last;
}