Function time_picker 

pub fn time_picker<'a, Message, Theme, U, F>(
    show_picker: bool,
    time: impl Into<Time>,
    underlay: U,
    on_cancel: Message,
    on_submit: F,
) -> TimePicker<'a, Message, Theme>
where
    Message: 'a + Clone,
    Theme: 'a + Catalog + Catalog + Catalog,
    U: Into<Element<'a, Message, Theme, Renderer>>,
    F: 'static + Fn(Time) -> Message,

Shortcut helper to create a DatePicker Widget.