Subject: Re: [boost] Weak functor: Interested? (How to boost::bind to a weak_ptr)
From: Vladimír Tøebický (vladimir.trebicky_at_[hidden])
Date: 2012-01-10 16:49:25
On Tue, Jan 10, 2012 at 10:34 PM, Roman Perepelitsa
> 2012/1/10 VladimÃr TÅebickÃ½ <vladimir.trebicky_at_[hidden]>
>> boost::function<void(int)> f = boost::bind(boost::weak_fn(&Foo::bar,
>> some_weak_ptr), _1);
> It's it better to bind &Foo::bar directly?
> Â boost::function<void(int)> f = boost::bind(&Foo::bar, some_weak_ptr, _1);
> Much simpler in my opinion.
That cannot be done, boost::bind() indeed accepts references, pointers
and shared_ptrs for member functions but doesn't accept weak pointers,
because a weak pointer cannot be trivially converted to shared_ptr (or
anything that leads to the corresponding class instance).
> Roman Perepelitsa.
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