Re: [Boost-users] [ptr_container] No insert(it, [key, ]value) in associative pointer container?

From: Thorsten Ottosen (thorsten.ottosen_at_[hidden])
Date: 2008-06-03 05:57:22

Thorsten Ottosen skrev:
> Rodolfo Lima skrev:
>> Hi, I'd like to know why there's no method 'insert' that mimicks stl's 
>> associative container's insert method that accepts an iterator that 
>> points to where the value could be placed, and the value?
>>
>> Regards,
>> rod
> 
> Was it ptr_map you got this problem with? For some reason I forgot to 
> add the overloads to ptr_map, but not to ptr_set.

The problem is that there is no exception-safe way to pass around
pair<key,T*>. The only alternative would be to add

iterator insert( iterator, ref_pair<key,T*> ).

such that we can insert an element from another ptr_map.

Would this be satisfactory?

-Thorsten