message: das.cli: fix Defaulted
  Fix a broken std::forward
diff: @@ -223,7 +223,7 @@ namespace das
  template <typename U>
  Defaulted& operator=(U&& u)
  {
  - _value = std::forward<T>(u);
  + _value = std::forward<U>(u);
  _set = true;
  return *this;
  }
  @@ -234,19 +234,19 @@ namespace das
  return _set;
  }
  - /// The value.
  + /// The value, readonly.
  T const& get() const
  {
  return _value;
  }
  - /// The value.
  + /// The value, readonly.
  T const& operator*() const
  {
  return get();
  }
  - /// A pointer to the value.
  + /// A pointer to the value, readonly.
  T const* operator->() const
  {
  return &_value;
  