Function radio_button 

pub fn radio_button<T>(
    represented_value: T,
    actual_value: impl Fn() -> T + 'static,
) -> ValueContainer<T>
where
    T: Eq + PartialEq + Clone + 'static,

Renders a radio button that appears as selected if the signal equals the given enum value. Can be combined with a label and a stack with a click event (as in examples/widget-gallery).