public DreamList CreateCopy(int start = 1, int end = 0)
{
if (start == 0)
{
++start; //start being 0 and start being 1 are equivalent
}
if (end > _values.Count + 1)
{
throw new Exception("list index out of bounds");
}
if (end == 0)
{
end = _values.Count + 1;
}
DreamList copy = Create(end);
for (int i = start; i < end; i++)
{
DreamValue value = _values[i - 1];
copy._values.Add(value);
if (ContainsKey(value))
{
copy.SetValue(value, _associativeValues[value]);
}
}
return(copy);
}
public static DreamList Create(string[] collection)
{
var list = new DreamList(collection.Length);
foreach (string value in collection)
{
list._values.Add(new DreamValue(value));
}
return(list);
}
public static DreamList Create(List <DreamObject> collection)
{
var list = new DreamList(collection.Count);
foreach (DreamObject value in collection)
{
list._values.Add(new DreamValue(value));
}
return(list);
}
public DreamList Union(DreamList other)
{
DreamList newList = new DreamList();
newList._values = _values.Union(other.GetValues()).ToList();
foreach ((DreamValue key, DreamValue value) in other.GetAssociativeValues())
{
newList.SetValue(key, value);
}
return(newList);
}