Re: [boost] Iterator adaptors return a value from operator[]?

From: David Abrahams (dave_at_[hidden])
Date: 2002-08-17 12:58:39

From: "Peter Dimov" <pdimov_at_[hidden]>

> From: "David Abrahams" <dave_at_[hidden]>
> [quotation moved to top]
> > From: "Victor A. Wagner, Jr." <vawjr_at_[hidden]>
> > > isn't this going to cause some unexpected/surprising behavior when
> > someone
> > > tries:
> > >
> > > a[n] = someT;
>
> > No, there won't be any behavior because compilation will fail.
>
> It is not guaranteed to fail. operator[] returns a non-const value_type,
and
> rvalues of class types are assignable.

Good point. Should the return type be const?

-----------------------------------------------------------
           David Abrahams * Boost Consulting
dave_at_[hidden] * http://www.boost-consulting.com