//expect -6.0
fn test(x:float){
    let y = 5.0
    let f = | | { 
        let z = 3.0
        let ff = | |{ 
            let a = x
            let b = y
            let c = z
            a-b*c 
            }
         ff()
        }
    f
}

fn dsp(){
    let f2 = test(9.0)
    f2()
}