## Class template format_date_time_terminal

boost::log::expressions::format_date_time_terminal

## Synopsis

    // In header: <boost/log/expressions/formatters/date_time.hpp>

    template<typename T, typename FallbackPolicyT, typename CharT>
    class format_date_time_terminal {
    public:
      // types
      typedef T                                     value_type;               // Attribute value type.
      typedef FallbackPolicyT                       fallback_policy;          // Fallback policy.
      typedef CharT                                 char_type;                // Character type.
      typedef std::basic_string< char_type >        string_type;              // String type.
      typedef basic_formatting_ostream< char_type > stream_type;              // Formatting stream type.
      typedef unspecified                           formatter_function_type;  // Formatter function.
      typedef string_type                           result_type;              // Function result type.

      // construct/copy/destruct
      format_date_time_terminal(attribute_name const &, fallback_policy const &,
                                string_type const &);
      format_date_time_terminal(format_date_time_terminal const &);
      format_date_time_terminal() = delete;

      // public member functions
      attribute_name get_name() const;
      fallback_policy const  & get_fallback_policy() const;
      formatter_function_type const  & get_formatter_function() const;
      template<typename ContextT> result_type operator()(ContextT const &);
      template<typename ContextT> result_type operator()(ContextT const &) const;
    };

## Description

Date and time formatter terminal.

### `format_date_time_terminal` public construct/copy/destruct

1.     format_date_time_terminal(attribute_name const & name,
                                 fallback_policy const & fallback,
                                 string_type const & format);

   Initializing constructor.

2.     format_date_time_terminal(format_date_time_terminal const & that);

   Copy constructor.

3.     format_date_time_terminal() = delete;

### `format_date_time_terminal` public member functions

1.     attribute_name get_name() const;

   Returns attribute name.

2.     fallback_policy const  & get_fallback_policy() const;

   Returns fallback policy.

3.     formatter_function_type const  & get_formatter_function() const;

   Retruns formatter function.

4.     template<typename ContextT> result_type operator()(ContextT const & ctx);

   Invokation operator.

5.     template<typename ContextT> result_type operator()(ContextT const & ctx) const;

   Invokation operator.