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## Class template unit

boost::units::unit — class representing a model-dependent unit with no associated value

## Synopsis

    // In header: <boost/units/unit.hpp>

    template<typename Dim, typename System, typename Enable>
    class unit {
    public:
      // types
      typedef unit< Dim, System > unit_type;
      typedef unit< Dim, System > this_type;
      typedef Dim                 dimension_type;
      typedef System              system_type;

      // construct/copy/destruct
      unit();
      unit(const this_type &);
      this_type & operator=(const this_type &);
    };

## Description

(e.g. meters, Kelvin, feet, etc...)

### `unit` public construct/copy/destruct

1.     unit();

2.     unit(const this_type &);

3.     this_type & operator=(const this_type &);