Re: [Boost-bugs] [Boost C++ Libraries] #7730: Generic specializations of is_nullary for custom terminals are not possible

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #7730: Generic specializations of is_nullary for custom terminals are not possible
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2014-02-21 09:40:18

#7730: Generic specializations of is_nullary for custom terminals are not possible
-------------------------------+---------------------
  Reporter:  andysem           |      Owner:  theller
      Type:  Bugs              |     Status:  new
 Milestone:  To Be Determined  |  Component:  phoenix
   Version:  Boost 1.52.0      |   Severity:  Problem
Resolution:                    |   Keywords:
-------------------------------+---------------------

Comment (by John Fletcher <J.P.Fletcher@…>):

 Replying to [comment:9 John Fletcher <J.P.Fletcher@…>]:
 > WARNING - this fix may break client code which uses the boost phoenix
 custom_terminal.
 >
 > The solution may well be to insert the following into any overload of
 the struct boost::phoenix::custom_terminal:
 >
 > John

 The code should be in a box:

 {{{
 #ifndef BOOST_PHOENIX_NO_SPECIALIZE_CUSTOM_TERMINAL
        typedef void _is_default_custom_terminal; // fix for #7730
 #endif
 }}}

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/7730#comment:10>
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