kuehl@uzwil.rz.uni-konstanz.de (Dietmar Kuehl) writes:

>J. Kanze (kanze@gabi-soft.fr) wrote:
>: Ideally, perhaps, I would want to have assignment and copy construction
>: defined only when the source is a temporary.  [...]
>
>The statement with the temporary gave me the following idea: Using two
>classes instead of just one class, it is possible to protect the copy
>constructor and the assignment operator while still allowing a function
>to return a "safe" object.

Yes, you (Dietmar Kuehl), Dag Bruck and I all had much the same idea.
But eddy Gorsuch and James Kanze noticed a much simpler way:

 auto_ptr<T> x(foo.release());
 y.reset(foo.release());

This seems to me to be quite adequate.

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