Boost C++ Libraries

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Class required_option

boost::program_options::required_option

Synopsis

// In header: <boost/program_options/errors.hpp>


class required_option : public boost::program_options::error_with_option_name {
public:

  // public member functions
  required_option(const std::string &);
};

Description

Class thrown when a required/mandatory option is missing

`required_option` public member functions

required_option(const std::string & option_name);