[boost] Re: Closure functions

From: Tobias Schwinger (tschwinger_at_[hidden])
Date: 2005-04-15 11:18:34

Edward Diener wrote:
> Tobias Schwinger wrote:
> 
>> Hi Community,
>>
>>
>> The Function Types library has just been updated to include an 
>> implementation of closure functions as an example:
>>
>>    [ example (hpp): http://tinyurl.com/9ncso ]
>>    [ exmaple (cpp): http://tinyurl.com/9opx6 ]
>>
>> You need to have the Function Types library installed if you want to 
>> successfully compile it:
>>
>>    [ archive (zip): http://tinyurl.com/4oe7q ]
>>    [ documentation: http://tinyurl.com/4fw9n ]
>>
>>
>> A closure function (in object orientated context) is a member function
>> bound to an object.
>>
>> Closure functions are well-suited to achieve orthogonal design because 
>> they capture member functions independent of their name and class an 
>> thus allow to operate on a per-function basis instead of requiring 
>> inheritance to e.g. implement classic design patterns such as "Observer".
>>
>> In contrast to Boost.Bind (and other Boost argument binding 
>> facilities)   closures are intended to be stored and allow the 
>> captured target function to dynamically change at runtime.
> 
> 
> Boost.Function stores the results of Boost.Bind, and already serves as a 
> "closure function".
> 

OK, this is far more flexible ==> it stays just an example ;-)...

Thanks,

Tobias