Re: [Boost-bugs] [Boost C++ Libraries] #4425: qi::action ignores phoenix actor return value

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #4425: qi::action ignores phoenix actor return value
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2010-07-14 09:25:10

#4425: qi::action ignores phoenix actor return value
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  Reporter:  anonymous         |       Owner:  djowel      
      Type:  Feature Requests  |      Status:  new         
 Milestone:  Boost 1.44.0      |   Component:  spirit      
   Version:  Boost 1.44.0      |    Severity:  Optimization
Resolution:                    |    Keywords:              
-------------------------------+--------------------------------------------

Comment (by djowel):

 This is not necessary. If you want an actor to be able to fail a parse,
 just give it the pass argument by using the placeholder _pass. See
 http://tinyurl.com/3xrfcsd. Example: p[_pass = false] will always fail
 parsing.

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Ticket URL: <https://svn.boost.org/trac/boost/ticket/4425#comment:2>
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