On 13/03/2012 17:31, Warp wrote:
> Warp<war### [at] tagpovrayorg>  wrote:
>>    The first problem is: How should the object be copied? There are many
>> possibilities:
>
>    If you are wondering which solution the STL data containers use,
> it's usually just a simple deep-copy whenever the container is copied
> or assigned.

Just to be picky: I'm presuming that it's a "deep" copy as far as 
copying the container itself. Presumably what happens to the elements 
depends on what their copy constructor implements. (?)

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