Re: [boost] Formal review: Optional library

From: Peter Dimov (pdimov_at_[hidden])
Date: 2002-12-12 16:24:49

From: "Fernando Cacciola" <fernando_cacciola_at_[hidden]>
> > optional<T> m(t);
> >
> > > foo(m, m); // comparison inside yields false

where foo is

void foo(optional<T> const &, optional<T> const &);

> > >
> Nop... :-)
> 
> it compares true because get_pointer(x)==get_poiner(x) is true for any x,
> whether initialized or not.

True. Had foo been

void foo(optional<T>, optional<T>);

or had the call been

foo(optional<T>(t), optional<T>(t)); // corresponds to foo(&t, &t)

I would have been right.