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Subject: Re: [boost] [guidelines] why template errors suck
From: Dave Abrahams (dave_at_[hidden])
Date: 2010-09-26 11:26:50

To convince yourself:

* Write down the find_if algorithm in a natural way
* write down the valid expressions implied by that algorithm
* now re-check the algorithm against the valid expressions

BoostPro Computing * http://boostpro.com
[Sent from coveted but awkward mobile device] 

--
On Sep 26, 2010, at 8:55 AM, Eric Niebler <eric_at_[hidden]> wrote:
>> The truth is that valid expressions are the wrong way to describe concepts, for reasons you and I have discussed in the past.  The now-comatose C++ concepts proposal had it right.
> 
> I was never convinced that valid expressions are the wrong approach.
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