pub fn themer<'a, Message, OldTheme, NewTheme, Renderer>(
new_theme: NewTheme,
content: impl Into<Element<'a, Message, NewTheme, Renderer>>,
) -> Themer<'a, Message, OldTheme, NewTheme, impl Fn(&OldTheme), Renderer>
Expand description
A widget that applies any Theme
to its contents.