Return-Path: Delivered-To: apmail-stdcxx-dev-archive@www.apache.org Received: (qmail 67177 invoked from network); 2 Jun 2008 16:01:15 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 2 Jun 2008 16:01:15 -0000 Received: (qmail 45678 invoked by uid 500); 2 Jun 2008 16:01:18 -0000 Delivered-To: apmail-stdcxx-dev-archive@stdcxx.apache.org Received: (qmail 45664 invoked by uid 500); 2 Jun 2008 16:01:18 -0000 Mailing-List: contact dev-help@stdcxx.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@stdcxx.apache.org Delivered-To: mailing list dev@stdcxx.apache.org Received: (qmail 45653 invoked by uid 99); 2 Jun 2008 16:01:18 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 02 Jun 2008 09:01:18 -0700 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [208.30.140.160] (HELO moroha.roguewave.com) (208.30.140.160) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 02 Jun 2008 16:00:30 +0000 Received: from exchmail01.Blue.Roguewave.Com (exchmail01.blue.roguewave.com [10.22.129.22]) by moroha.roguewave.com (8.13.6/8.13.6) with ESMTP id m52G0k3c012263 for ; Mon, 2 Jun 2008 16:00:46 GMT X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Subject: RE: type_traits progress Date: Mon, 2 Jun 2008 10:00:49 -0600 Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: type_traits progress Thread-Index: AcjDZ1ZiTKCKQr51TsWFIlKnhP8kjwBX71aQ References: <483B79A1.4070808@roguewave.com> <483C67BA.6070209@roguewave.com> <48401E00.2090709@roguewave.com> <48406BE1.4070902@roguewave.com> <4841C60F.5010408@roguewave.com> From: "Eric Lemings" To: X-Virus-Checked: Checked by ClamAV on apache.org =20 > -----Original Message----- > From: Martin Sebor [mailto:msebor@gmail.com] On Behalf Of Martin Sebor > Sent: Saturday, May 31, 2008 3:42 PM > To: dev@stdcxx.apache.org > Subject: Re: type_traits progress >=20 ... >=20 > The problem with metaprogramming is that many compilers weren't > designed for the kind of involved computation that some of these > algorithms require, so their performance really blows. It's a > fun exercise to time the compilation of a non-trivial metaprogram > (e.g., sorting a typelist) while watching its memory consumption. Yeah I've actually written code that does that: part of a Boost library proposal a couple years back. As I recall, it took me a week to figure out how to make it work. Brad.