[Boost-bugs] [Boost C++ Libraries] #5510: The truth table in the documention make no sense to me

Subject: [Boost-bugs] [Boost C++ Libraries] #5510: The truth table in the documention make no sense to me
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2011-04-28 23:04:44

#5510: The truth table in the documention make no sense to me
------------------------------+---------------------------------------------
 Reporter:  ramey             |       Owner:  doug_gregor
     Type:  Bugs              |      Status:  new        
Milestone:  To Be Determined  |   Component:  logic      
  Version:  Boost 1.46.1      |    Severity:  Problem    
 Keywords:                    |  
------------------------------+---------------------------------------------
 The documentation contains truth tables for the various logical functions.
 Here is an example for the && operator
 {{{
 &&      false   true    indeterminate
 false   false   false   false
 true    false   true    indeterminate
 indeterminate   false   indeterminate   indeterminate
 }}}
 What I expect to see is
 {{{
 x             y              x && y
 false         false          false
 false         true           false
 false         indeterminate  false
 true          false          false
 true          true           true
 true          indeterminate  indeterminate
 indeterminate false          false
 indeterminate true           indeterminate
 indeterminate indeterminate  indeterminate
 }}}

 similarly for the other operators.

 Also, there needs to be a real explanation for safe_bool.  I think I
 understand it now, but it was totally non-obvious. At a bare minimum a
 link to a real explanation is necessary.

 Robert Ramey

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/5510>
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