Function `clone_body_fn`

fn clone_body_fn<F, B>(f: F) -> CloneBodyFn<F>
where
    F: Fn(&B) -> Option<B>

Create a new redirection Policy from a closure F: Fn(&B) -> Option<B>.

[clone_body][Policy::clone_body] method of the returned Policy delegates to the wrapped closure and [redirect][Policy::redirect] method always returns Action::Follow.