Re: [boost] Review Request: future library (N2561/Williams version)

From: Anthony Williams (anthony_w.geo_at_[hidden])
Date: 2008-05-14 08:28:38

"vicente.botet" <vicente.botet_at_[hidden]> writes:

> Why you don't want to provide completion callbacks? Have you another 
> proposal for completion callbacks?

I don't like them because you're chaining work onto the thread that sets the
future value, and that strikes me as dangerous. 

> Maybe you could open the interface and return the last callback setting. 
> This will result in a chain of responsabilities and the client must be aware 
> of that with thow potential problems: growing stack and clients forgetting 
> its responsabilities.

I really don't see the need for multiple wait callbacks.

Anthony
-- 
Anthony Williams            | Just Software Solutions Ltd
Custom Software Development | http://www.justsoftwaresolutions.co.uk
Registered in England, Company Number 5478976.
Registered Office: 15 Carrallack Mews, St Just, Cornwall, TR19 7UL