Re: [Boost-users] local_date_time as class member

Seems there is no standard constructor for local_date_time_base(). Use the member initializer syntax. Christian On Jan 25, 2008 10:55 AM, Fabien CARMAGNAC wrote:

Dear all,

I am using a boost::date_time::local_date_time and I have a problem when a local_date_time is declared as class member.

Case 1

class toto { protected: boost::local_time::local_date_time tt ; public: toto(boost::local_time::local_date_time t) : tt(t) {} ~toto(){} }; => compil ok =========== Case 2 (using '=' operator) class toto { protected: boost::local_time::local_date_time tt ; public: toto(boost::local_time::local_date_time t) { tt=t; } ~toto(){} }; => does not compiles ! Errors:

make all Building file: ../src/toto.cpp Invoking: GCC C++ Compiler g++ -I"/home/fabien/dev/eclipse_workspace" -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP -MF"src/toto.d" -MT"src/toto.d" -o"src/toto.o" "../src/toto.cpp" ../src/toto.cpp: In constructor 'toto::toto(boost::local_time::local_date_time)': ../src/toto.cpp:16: error: no matching function for call to 'boost::local_time::local_date_time_base

...

::local_date_time_base()' /usr/include/boost/date_time/local_time/local_date_time.hpp:218: note: candidates are: boost::local_time::local_date_time_base::local_date_time_base(boost::date_time::special_values, boost::shared_ptr<U>) [with utc_time_ = boost::posix_time::ptime, tz_type = boost::date_time::time_zone_base] /usr/include/boost/date_time/local_time/local_date_time.hpp:211: note: boost::local_time::local_date_time_base::local_date_time_base(const boost::local_time::local_date_time_base&) [with utc_time_ = boost::posix_time::ptime, tz_type = boost::date_time::time_zone_base] /usr/include/boost/date_time/local_time/local_date_time.hpp:141: note: boost::local_time::local_date_time_base::local_date_time_base(typename utc_time_::date_type, typename utc_time_::time_duration_type, boost::shared_ptr<U>, boost::local_time::local_date_time_base::DST_CALC_OPTIONS) [with utc_time_ = boost::posix_time::ptime, tz_type = boost::date_time::time_zone_base] /usr/include/boost/date_time/local_time/local_date_time.hpp:100: note: boost::local_time::local_date_time_base::local_date_time_base(typename utc_time_::date_type, typename utc_time_::time_duration_type, boost::shared_ptr<U>, bool) [with utc_time_ = boost::posix_time::ptime, tz_type = boost::date_time::time_zone_base] /usr/include/boost/date_time/local_time/local_date_time.hpp:79: note: boost::local_time::local_date_time_base::local_date_time_base(utc_time_, boost::shared_ptr<U>) [with utc_time_ = boost::posix_time::ptime, tz_type = boost::date_time::time_zone_base] make: *** [src/toto.o] Error 1

I am using: Linux 2.6.23.8-34.fc7 boost-1.33.1-15.fc7 boost-devel-1.33.1-15.fc7 g++ (GCC) 4.1.2 20070925 (Red Hat 4.1.2-27)

Thanks for your help ! Regards,

Fabien CARMAGNAC

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