Function shortcuts_separator_fn 

pub fn shortcuts_separator_fn(
    child: impl IntoUiNode,
    separator_fn: impl IntoVar<WidgetFn<ShortcutsSeparatorFnArgs>>,
) -> UiNode

P Widget function that converts ShortcutsSeparatorFnArgs to a widget.

This is the separators between shortcuts, when first_n is more than one and the shortcut has mode them one shortcut.

Set to nil to not generate a separator.

This property sets the SHORTCUTS_SEPARATOR_FN_VAR.