Re: [Boost-users] tribool question

From: Serge Skorokhodov (serge.skorokhodov_at_[hidden])
Date: 2005-07-01 04:58:27

Douglas Gregor wrote:

>On Jun 29, 2005, at 2:24 AM, Serge Skorokhodov wrote:
>
>  
>
>>Hi,
>>I'm using boost::logic::tribool for expressing logical flags that may 
>>be
>>nulls by their nature (patient not asked, he/she doesn't know etc.).
>>Default initialization to 'false' seems to be quite unnatural in this
>>context and initialization to 'undetermined' seems to be prefered. Is
>>any significant reason for boost::logic::tribool default constructor
>>initializing the value to 'false'?
>>    
>>
>
>Because default-constructing a bool gives a false value, and tribool 
>tries to mimick bool as well as possible.
>
>  
>
So there is no reason to prevent customization? Because an uninitialized
value should be unknown from the domain point of view (at least in the
domain I'm currently work in:)

-- 
Serge