Re: [Boost-bugs] [Boost C++ Libraries] #7495: Support for boost::optional in boost::program_options

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #7495: Support for boost::optional in boost::program_options
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2015-10-19 02:44:27

#7495: Support for boost::optional in boost::program_options
------------------------------------------+-----------------------------
  Reporter:  Dmitry Trifonov <user61a@…>  |      Owner:  vladimir_prus
      Type:  Feature Requests             |     Status:  new
 Milestone:  To Be Determined             |  Component:  program_options
   Version:  Boost 1.52.0                 |   Severity:  Optimization
Resolution:                               |   Keywords:
------------------------------------------+-----------------------------

Comment (by fakong@…):

 you only need to include this piece of code

 template<class T>
 std::istream& operator>>(std::istream& in, boost::optional<T>& obj)
 {
     T value;
     in >> value;
     obj = value;
     return in;
 }

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/7495#comment:3>
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