Re: [thread_safe_signals] returning void from last_value when possible

On Tuesday 26 August 2008 17:44, Stjepan Rajko wrote:
> Hello,
>
> When dealing with a signature of void return type, the Boost.Signals
> version of last_value only returns last_value::unusable when the
> compiler doesn't support void returns:
> http://svn.boost.org/trac/boost/browser/trunk/boost/last_value.hpp#L34
>
> But the thread-safe version always returns last_value::unusable:
> http://svn.boost.org/trac/boost/browser/sandbox/thread_safe_signals/boos
>t/last_value.hpp#L68
>
> Could the thread-safe version be made consistent with Boost.Signals?

Ok, I've done it in svn.  By the way, did you mean to make struct unusable 
private in boost.signals last_value<void>?  Because it's declared as a 
struct so it is actually public.

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