[Boost-users] [signals] slot<Signature>, slot::track() and bind syntactic sugar

From: Frank Mori Hess (frank.hess_at_[hidden])
Date: 2007-02-27 16:36:17

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I've added template parameters to the slot class in thread_safe_signals for 
specifying its signature, as slot<Signature> or slot1<R, T1>, etc.  So now 
slots can be bound to each other.  I've also dropped the automatic 
discovery of tracked objects, and added slot::track() functions.  There is 
now some syntactic sugar for bind, if a slot constructor is called with 
more than one argument, then the arguments will automatically be passed 
through bind().  I tried using bind<R>(), since the slot knows what its 
result type should be, but  gcc gave me ambiguous overload errors when 
bind<R> was given a function pointer.

There is a little test program in the sandbox now too, at 
boost-sandbox/libs/thread_safe_signals/test/track_test.cpp.  I encountered 
one problem with the bind syntactic sugar, described in the test program's 
comments.  I found the error message unhelpful, therefore it must be a 
compiler bug :)

- -- 
Frank
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