Best practices for boost:signal

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Memfis

15 Nov 2006 15 Nov '06

2:42 p.m.

What is the best practice for using boost::signal? Should the signal be a public field? Should an accessor method be used? Should there be some special connection methods for every signal, like the following: private: signal x; public: void connectX(const signal::slot_type& slot); void disconnectX(const signal::slot_type& slot); If you use boost:signal, how do you do it? (Okay, actually connectX should return a connection object and disconnectX should take the it as its parameter, but it's about the general idea) -- Memfis

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David Capello

15 Nov 15 Nov

3:45 p.m.

2006/11/15, Memfis :

...

What is the best practice for using boost::signal? Should the signal be a public field? Should an accessor method be used? Should there be some special connection methods for every signal, like the following:

private: signal x; public: void connectX(const signal::slot_type& slot); void disconnectX(const signal::slot_type& slot);

If you use boost:signal, how do you do it?

I used public signals in my project (http://vaca.sf.net), but I would like to known what people think about it. Personally, I don't like the idea to have two methods to connect and disconnect slots.

François Duranleau

6:50 p.m.

On Wed, 15 Nov 2006, David Capello wrote:

...

2006/11/15, Memfis :

...
What is the best practice for using boost::signal? Should the signal be a public field? Should an accessor method be used? Should there be some special connection methods for every signal, like the following:

private: signal x; public: void connectX(const signal::slot_type& slot); void disconnectX(const signal::slot_type& slot);

If you use boost:signal, how do you do it?

I used public signals in my project (http://vaca.sf.net), but I would like to known what people think about it.

Personally, I don't like the idea to have two methods to connect and disconnect slots.

Another practice is to use proxies. This is what they do in gtkmm, albeit with libsigc++ instead of boost::signal, but it's quite similar. -- François Duranleau LIGUM, Université de Montréal

Terry G

5:55 p.m.

"Memfis" wrote:

...

What is the best practice for using boost::signal? Should the signal be a public field? Should an accessor method be used?

I hardly know what "best practises" to use. I submitted something recently for comments. It tries to be somewhat thread-safe. See [Boost.Signals] in Multithreaded Environment, submitted on Nov 11. (I don't know how to put a link here, sorry). terry begin 666 [Boost.Signals] in Multithreaded Environment.nws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David Capello
François Duranleau
Memfis
Terry G