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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