Re: [Boost-users] Newbie MultiIndex shared_ptr non-trivial class question

From: T. Allison (tallison_at_[hidden])
Date: 2007-09-17 12:41:10

Joaquín Mª López Muñoz wrote:
> 
> 
>> bool operator<(const Observation &rhs);
> 
> There's an error here (though it's not the primary error,
> and it might be the case you've got it right in your original
> code): operator< should be const.
> 
> 
You're right - about the only thing I did correctly was make operator<
const!

Joaquín Mª López Muñoz wrote:
> 
>> The code will dynamically create thousands of these things to be 
>> used in many ways, so I've opted to use shared_ptr:
>> typedef boost::shared_ptr<Observation> SharedObservation;
>> [...] If I write:
>> typedef boost::multi_index_container<SharedObservation>
>>   ObservationCollection;
> 
> This is probably not what you meant:
> [...]
> Change the code to
>   
> void AnotherClass::functionUsingCollection(data)
> {
>    master_collection.find(Observation(data));  
>    ...
> 
> and be done (hopefully). Hope this helps. Please report back.
> 
> Joaquín M López Muñoz
> Telefónica, Investigación y Desarrollo
> 

You were exactly right about my intent and the fix.  The recommended fix
works exactly as I intended.
-- 
View this message in context: http://www.nabble.com/Newbie-MultiIndex-shared_ptr-non-trivial-class-question-tf4432403.html#a12739543
Sent from the Boost - Users mailing list archive at Nabble.com.