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From: Wu Yinghui, Freddie (yhwu_at_[hidden])
Date: 2006-09-14 05:58:37


Hi all,

I'm a happy user of Boost.Signal, as it brings great power to our
software design in terms of loosening all the coupling between components.

However, I recently come across a case where a single-shot slot is
desired (i.e., a signal-slot connection that is automatically
disconnected once the signal is invoked for once). In our current
implementation, we have to keep boost::signals::connection object around
with the slot implementation, so that it can disconnect it after the
first invocation.

However, we have this problem of boost::signals::connection management,
since one signal may be connected to different signals and we have
problem identifying the correct connection to be disconnected. So my
question is: Is there any easier way (i.e., ways that doesn't involve
the implementation of the slot function itself) that I can add a
single-shot signal-slot connection?

Any suggestion is appreciated.

Cheers,

Freddie

-- 
Wu Yinghui, Freddie
Research & Development
Senior Software Engineer
Volume Interactions Pte Ltd
1 Kim Seng Promenade, #12-01
Great World City East Tower
Singapore 237994
Tel:   +65 62226962 (Ext 216)
Fax:   +65 62226215
Email: yhwu_at_[hidden]
URL:   http://www.volumeinteractions.com
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