anchor.diff:          for (key, _) in attributes {
               switch key {
               <% model.properties_exclude_id.each do |property| %>
  -            <%= """case .#{property.key}: setSQL.append(\"\(key.unwrapped) = \(self.(#{property.key}#{property.is_optional? ? "?" : ""}.unwrapped)\")
  -            """ %>
  +            <%= """case .#{property.key}: setSQL.append(\"\(key.unwrapped) = \(self.(#{property.key}#{property.is_optional? ? "?" : ""}.unwrapped)\")""" %>
               <% end %>
               default: break
               }
  
positive.code:     }
      var save: <%= model.name %> {
          get {
              <%= model.name %>.create(id<%= property_exclude_id_key_value_pairs %>)
              return self
          }
      }
  
negative.code:             for (key, value) in attributes {
                  switch key {
                  <% model.properties_exclude_id.each do |property| %>
                  <%= """case .#{property.key}: self.#{property.key} = value as#{property.is_optional? ? "?" : "!"} #{property.type_without_optional}""" %>
                  <% end %>
                  default: break
                  }
  