Re: SmartPointer & Inheritance & Explicit Constructors

From:
James Kanze <james.kanze@gmail.com>
Newsgroups:
comp.lang.c++
Date:
31 May 2007 00:36:44 -0700
Message-ID:
<1180597004.460629.183230@p47g2000hsd.googlegroups.com>
On May 30, 4:33 pm, Jon Harrop <j...@ffconsultancy.com> wrote:

coder_...@yahoo.com wrote:

Well, I came across Scott Meyer's SmartPtr example from some 10 years
ago. I like the template member function for type conversion to solve
inheritance issues.


As smart pointers are a rudimentary precursor of garbage collection, you
might consider a full-blown garbage collector or a garbage collected
language.


It depends on what the smart pointers are used for. I normally
use the Boehm collector for new projects, but I still use smart
pointers in some cases: to manage locks, for example, or to
manage ownership between threads. In the past, I've also used
them for simplified transaction management, and manually managed
object paging (keeping most of the objects physically on disk,
and not in memory).

Obviously, it's stupid not to use the Boehm collector when you
can, but just as obviously, it's not a silver bullet, and can
only replace those smart pointers which were being used
exclusively for memory management.

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