Re: [Boost-users] Hide the predicate type of a filter_iterator?

From: Jean-Pierre Bergamin (james_at_[hidden])
Date: 2008-04-13 06:45:26

Jean-Pierre Bergamin schrieb:
> Hello again
>
> Steven Watanabe wrote:
>   
>> Try using boost::function<bool(int)> for the predicate type.
>>   
>>     
> Thank you Steven. Using boost::function as the predicate type does the 
> trick. For the sake of completeness, I post some code at the bottom.
> I think this is a very useful method to provide filtered values to a 
> user, without copying any elements.
>
>   
Copying is of course only avoided if the Predicate function is defined 
as boost::function<bool(const T&)> PredFunction.

James