pub trait Ctor<'a, C, M, O>where
C: Context<'a>,{
// Required method
fn constrct<H, A>(&self, ctx: &mut C, handler: &mut H) -> Result<O, Error>
where H: Handler<A, Out = M, Error = Error>,
A: Extract<'a, C, Span, Out<'a> = A, Error = Error>;
}