def radio_choice(name, choices = [], options = {})
      field name, ChoiceField.new(choices, options.merge(widget: Widgets::RadioSelect.new))
    end
def radio_choice(name, choices = [], options = {})
      field name, ChoiceField.new(choices, options.merge(widget: Widgets::RadioSelect.new))
    end
Declare a +ChoiceField+ using the +RadioSelect+ widget