[boost] Re: boost::any: explicit constructor?

From: Bjorn.Karlsson_at_[hidden]
Date: 2004-02-26 06:15:13

> From: Vladimir Prus [mailto:ghost_at_[hidden]]
> 
> The experience in my case is very simple. I had two bugs 
> because constructor 
> is not explicit. I've just made it explicit locally, 
> recomplied and got no 
> complication errors, so convenience was not hurted. 

Yes, an explicit constructor is safer because it would cause those bugs to
be detected at compile time, but convenience *is* hurt:

  std::vector<boost::any> vec;
  vec.push_back(5);

With an explicit constructor, the above won't work. 

Bjorn