Re: [Boost-users] [boost-users] anyways to flatten a stl container.

From: Vinzenz 'evilissimo' Feenstra (evilissimo_at_[hidden])
Date: 2007-10-22 04:08:56

Oops, some typos here.

Vinzenz 'evilissimo' Feenstra schrieb:
> Hi,
> 
> I am wondering how your example container looks like, since it seems to 
> contain several types.
> 
> If container is a container containing containers with values, you could 
> do something like this:

> [code]
> vector<container::value_type::value_type> flattened;
> for(container::iterator it = c.begin(), end = c.end();beg != end; ++it)
>     flattened(it->begin(), it->end(), std::back_inserter(flattened));
> [/code]
Should be:
[code]
std::vector<container::value_type::value_type> flattened;
for(container::iterator it = c.begin(), end = c.end();beg != end; ++it)
     std::copy(it->begin(), it->end(), std::back_inserter(flattened));
[/code]

> Regards,
> Vinzenz
> 
> chun ping wang schrieb:
>> Is their some kind of method to flatten a stl container...
>>
>> example [[1, 4], [a,b, c], [b, [e]] ] becomes [1, 4, a, b, c, b, e]
>>
>>

Sorry for the mistake.
Regards,
Vinzenz