Simulating sub types

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On Friday, 2 August 2013 at 13:57:08 UTC, Dicebot wrote:
> On Friday, 2 August 2013 at 13:37:09 UTC, JS wrote:
>> Then that doesn't help. Do you mean A.B is not visible outside 
>> the module either? Can B be instantiated and inherited when 
>> static, if not then it is no use.
>
> Yes, A will act simply as a "namespace". If B is public, it can 
> be accessed and instantiated from other modules. All static 
> does here is removing hidden context pointer.

Sorry to hijack the question, but this is relevant to the OP. I 
can't remember; are class member public or private by default?