Function websocat::sessionserve::serve

pub fn serve<OE>(
    h: Handle, 
    s1: Rc<Specifier>, 
    s2: Rc<Specifier>, 
    opts: Options, 
    onerror: Rc<OE>
) -> Box<Future<Item = (), Error = ()>> where
    OE: Fn(Box<Error>) + 'static,