Re: [Boost-users] Newbie to boost

From: fungos (fungos_at_[hidden])
Date: 2006-12-08 08:43:38

Nice! const_mem_fun worked in this sample. I will try to port my map to
multi_index now and see how it performs.
But, I dont want to give up without understund why mem_fun doesnt work.
Anybody has any theory? :D

Thanks Jeff.

On 12/8/06, Jeff F <TriumphSprint2000_at_[hidden]> wrote:
>
>
> "fungos" <fungos_at_[hidden]> wrote in message
> news:e763e59d0612080512k4f02b88cnee2732030a95a5ff_at_mail.gmail.com...
> Well, I still having trouble to get mem_fun working. multi_index accept
> boost mem_fn?
> Joaquin, the const still wont work. I stripped down the sample to this
> code:
>
> [code]
>
> #include <boost/multi_index_container.hpp>
> #include <boost/multi_index/mem_fun.hpp>
> #include <boost/multi_index/ordered_index.hpp>
>
> using boost::multi_index_container;
> using namespace ::boost::multi_index;
>
> class Entry
> {
>         private:
>                 int size;
>         public:
>                 Entry(int s) : size(s) {}
>                 int getSize() const { return size; }
> };
>
> typedef multi_index_container<
>         Entry,
>         indexed_by<
>                 ordered_non_unique<BOOST_MULTI_INDEX_MEM_FUN(Entry,
> int, getSize) >  // line 23
>
>
> Doesn't this work?
>
>     ordered_non_unique< const_mem_fun<Entry,int,&Entry::getSize>
>                       >
>         >
>
> > EntryCollection;
>
> void main() {
>         EntryCollection entries;
>         Entry a(3);
>         entries.insert(a);  // line 33
> }
>
>
> Jeff Flinn
>
>
>
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