Re: [Boost-users] [mpl] erase_key confusion

On 3/23/07, Scott Meyers wrote:

// return Seq with the first occurrance of T removed template struct erase_first { // i = Seq.find(T) typedef typename mpl::find::type i;

// found = (i == Seq.end()) ? false : true typedef typename mpl::if_< typename boost::is_same::type, mpl::false_, mpl::true_ >::type found;

// type = found ? Seq : Seq.erase(i)

// type = found ? Seq.erase(i) : Seq

typedef typename mpl::if_::type >::type type;

typedef typename if_::type, Seq >::type type;

};

BOOST_MPL_ASSERT(( mpl::equal< erase_first::type, erase_first::type

...

));

Or did I misunderstand? Tony