RE: [boost] On ownership policies and boost::raw_ptr

From: Aleksey Gurtovoy (agurtovoy_at_[hidden])
Date: 2002-06-27 22:38:34

Greg Colvin wrote:
> >> So you can write generic code like
> >>
> >>    template<template<typename T> class Ptr> struct x { Ptr<X> p; };
> >>
> >> and have a Ptr with raw pointer semantics.
> >
> >And the advantage of this over
> >
> >    template<class Ptr> struct x { Ptr p; };
> >
> >is?
> 
> template<template<typename T> class Ptr> struct x {
>    Ptr<X> px;
>    Ptr<Y> py;
>    ...
> };

Not for the sake of the argument at all :) - the above assumes that
'template< typename T > class ptr' is _the_ de-facto standard for smart
pointers' "signature", but it isn't (well, may be it is for Boost, at least
right now, but policy-based pointers might change that as well).

/Aleksey