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Subject: Re: [Boost-users] mpi: sending/receiving different types
From: Matthias Troyer (troyer_at_[hidden])
Date: 2010-12-13 17:04:47

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In reply to: Frank Mori Hess: "Re: [Boost-users] mpi: sending/receiving different types"

On Dec 9, 2010, at 3:11 PM, Frank Mori Hess wrote:

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> On Thursday 09 December 2010, Riccardo Murri wrote:
>> If all you have is a `const Base&` then slicing has already happened
>
> Why do you say that? Polymorphism can be done with references as well as
> with pointers.

If you give Boost.Serializatiion a reference to the base type, then how should it convert your base class object to a derived one?

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