Re: [boost] [utility] new auto_buffer class --- RFC

Subject: Re: [boost] [utility] new auto_buffer class --- RFC
From: Thorsten Ottosen (thorsten.ottosen_at_[hidden])
Date: 2009-03-02 13:51:52

Peter Dimov skrev:
> Thorsten Ottosen:
>> I guess your case above should be implemented as
>>
>> for # of rows
>>    v.clear();
>>    v.resize( n );
> 
>    v.reserve( n );

Right :-)

>>    for each element read e
>>       v.push_back_unchecked(e)
>>    process( v.begin(), v.end() )
> ....
> 
>> But as the example above shows, we do not need a growing push_back()
>> here.
> 
> Yes, this second example was supposed to show that we sometimes need to 
> alter the capacity. If you want it to argue for push_back, change the 
> file format so that the rows are terminated with a sentinel instead of 
> prefixed with n. :-)

Right.

-Thorsten