[Boost-users] Re: C++ Template Metaprogramming -- EX 2.1

From: David Abrahams (dave_at_[hidden])
Date: 2005-03-24 14:46:04

Bruno Martínez Aguerre <br1_at_[hidden]> writes:

> On Thu, 24 Mar 2005 09:54:36 -0600, Kelly Burkhart  
> <kelly_at_[hidden]> wrote:
>
>> I'm going through the excercises in this book and am stumped on the
>> second one I tried.  Does anyone have a hint on how to approach this
>> problem?
>
> Consider types as trees.  You have to recurse into the tree, searching for  
> the type you want to replace.
>
> I hope it helps.  If you're still stuck, I can give you my solution.

<hint>
People who haven't used partial specialization much often have a hard
time with this exercise.
</hint>

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com