Re: [boost] [Review:Algorithms] Order of args to clamp

Subject: Re: [boost] [Review:Algorithms] Order of args to clamp
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2011-09-27 10:34:48

AMDG

On 09/27/2011 07:23 AM, Gordon Woodhull wrote:
> 
> 
> On Sep 26, 2011, at 2:17 PM, TONGARI <tongari95_at_[hidden]> wrote:
> 
>> 2011/9/27 Peter Dimov <pdimov_at_[hidden]>
>>
>>> Then clamp should be
>>>
>>> template<class T> T clamp( T const & value,
>>>  typename identity<T>::type const & low,
>>>  typename identity<T>::type const & high );
>>
>>
>> I second this. BTW, The return type could be T const&.
> 
> Okay, I'll bite. Why identity and not just T? 
> 
> (I thought this might be a joke at first.)
> 

Using identity means that T is deduced
solely based on the first argument.

In Christ,
Steven Watanabe