On Tue, April 24, 2007 13:09, Romulus wrote:

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Hi everybody,

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Here is the error message: option_groups.cpp: In function 'int main(int, char**)': option_groups.cpp:42: error: 'class boost::program_options::typed_value<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, char>' has no member named 'implicit'

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The problem occurs with the sample file (attached) : /usr/share/doc/libboost-doc/examples/libs/program_options/example/option_groups.cpp

Regards

Looks like this member no longer exists. There is a private bool member variable m_implicit in the class, but the class has nether friends nor any members which reference it. Eather you should create only value<std::string>() (you may use the default value as well: value<std::string>()->default_value("something here")) or skip this value type creation anyway. Maybe Vladimir can clarify this issue better. With Kind Regards, Ovanes Markarian