Re: [boost] [type_index] C++03 implementation in boost?

Subject: Re: [boost] [type_index] C++03 implementation in boost?
From: Robert Ramey (ramey_at_[hidden])
Date: 2012-07-02 00:11:03

Agustín K-ballo Bergé wrote:
> After crafting my own `type_info_ptr` as a thin wrapper to be able to
> use `std::type_info` as key in maps, I found out about the new
> `std::type_index` in C++11.
>
> It seems that a C++03 implementation would be trivial, except for the
> hashing functionality. Could that functionality be built by leveraging
> implementation specific details like whether there is only one
> `type_info` instance for each type, or whether the name member
> function returns distinct values?
>
> I believe it would be a nice addition to Boost, perhaps as part of the
> utility library. It would be useful for those wanting to use C++11
> features while still writing C++03 compatible code.
>
> Agustín K-ballo Bergé.-
> http://fusionfenix.com

It sounds like this might be similar to the "extended_type_info" used
in the serialization library for many years.

Robert Ramey

>
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