Re: [Boost-users] Unwanted implicit conversions to bool

Subject: Re: [Boost-users] Unwanted implicit conversions to bool
From: Thorsten Ottosen (thorsten.ottosen_at_[hidden])
Date: 2011-05-12 10:41:20

Den 12-05-2011 12:58, Dominik Steenken skrev:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
>      inline std::size_t hash_value(boost::shared_ptr<const IHashable>  obj)
>      {
>          return obj->hash_value();
>      }
>

Remark: always write

   foo( const boost::shared_ptr<T>&  obj)

to avoid needless update of the ref count/weak count.

-Thorsten