Re: [Boost-users] [fusion] simple Fusion question

Subject: Re: [Boost-users] [fusion] simple Fusion question
From: Eric Niebler (eric_at_[hidden])
Date: 2010-11-09 19:46:25

On 11/2/2010 8:23 AM, Joel de Guzman wrote:
> On 11/2/2010 12:22 PM, Eric Niebler wrote:
>>
>> Given an mpl::vector of keys, and a fusion::vector of values, what's the
>> easiest way to create a fusion::map?

Nobody ever answered this one. It's ok, my immediate need has passed.
I'm just curious if there's an easy way that I missed.

>> The obvious solution of just zipping the two sequences and passing the
>> result to fusion::as_map doesn't work because as_map (somewhat narrowly)
>> requires all elements to be fusion::pair, and Fusion's zip algorithm
>> produces sequences of vector2. I'd like to see this generalized so that
>> (a) as_map only requires sequences of 2-tuples and (b) fusion::pair
>> meets the requirements for 2-tuples.
> 
> Makes perfect sense. Do you have a patch?

Sorry, no. I filed a feature request, instead.

https://svn.boost.org/trac/boost/ticket/4830

-- 
Eric Niebler
BoostPro Computing
http://www.boostpro.com