public Doc(IGuidSupply?guidSupply = null)
{
Items = EmptyItemDict;
Edits = EmptyEditStack;
Redos = EmptyEditStack;
GuidSupply = guidSupply ?? new GuidSupply();
}
public Doc NewID(out Guid id)
{
GuidSupply = GuidSupply.NewID(out id);
return(this);
}
