Re: [boost] associative_vector: request for formal review

From: jsiek_at_[hidden]
Date: 2000-05-30 13:21:49

Right... my version left out "mutable".

Darin Adler writes:
 > on 5/30/00 10:48 AM, jsiek_at_[hidden] at jsiek_at_[hidden] wrote:
 > > template <class X, class Y>
 > > struct tied
 > > {
 > >     tied(X& x, Y& y) : m_x(x), m_y(y) {}
 > > 
 > >     template <class T1, class T2>
 > >     void operator=(const std::pair<T1,T2>& p)
 > >         { m_x = p.first; m_y = p.second; }
 > >     mutable X& m_x;
 > >     mutable Y& m_y;
 > > };
 > 
 > What does the "mutable" accomplish here? I think that you can modify objects
 > through m_x and m_y regardless of whether the tied object is const or not.
 > For reference members, it seems that mutable is a no-op.
 > 
 >     -- Darin
 > 
 > 
 > ------------------------------------------------------------------------
 > Old school buds here:
 > http://click.egroups.com/1/4057/3/_/9351/_/959709343/
 > ------------------------------------------------------------------------
 > 
 > 
 >