Re: [boost] [optional] rebinding references

From: Mat Marcus (mat-lists_at_[hidden])
Date: 2005-10-18 15:50:27

On 10/18/05, Fernando Cacciola <fernando_cacciola_at_[hidden]> wrote:
>
> David Abrahams wrote:
> > Anthony Williams <anthony_w.geo_at_[hidden]> writes:
> >
> >> How's this for a radical thought --- optional<T> should not be
> >> assignable from T. That way, it doesn't matter whether T is a
> >> reference, or not.
> >
> > There's at least some precedent for types that are "immutable except
> > for copy assignment."
> >
> > The assignment from T is really a kind of mutating operation.
> >
> Indeed.
> I'm leaning fast into dropping assignment form T.
> That definitely solves the reference binding issues.

 [snip]

Please review this dicsussion thread from 2003 <
http://aspn.activestate.com/ASPN/Mail/Message/boost/1788454> before
discarding assignment from T.

- Mat