Function aviary::starling_prime

pub fn starling_prime<A: Clone, B, C, D, F, G, H>(
    f: F, 
    g: G, 
    h: H
) -> impl Fn(A) -> D where
    F: Fn(B, C) -> D,
    G: Fn(A) -> B,
    H: Fn(A) -> C, 

S' combinator