[boost] [singleton] Design questions

From: Peter Dimov (pdimov_at_[hidden])
Date: 2008-01-18 13:23:21

What is the reason to prefer the current instance/lease formulation instead 
of

    typedef ... instance_type;
    instance_type instance(); // automatically serves as a lease

?

(Also, why mutexed_singleton? Mutexed is not a word; synchronized_singleton 
maybe?)

Apologies if these have already been answered. I lost track of the thread. 
Appalling, I know.