If I print this fun then why can't get output as sum? Please help.

Question

https://code.sololearn.com/cOk7BkDPKp91/?ref=app

Answer 1

// a few things: return and and (this is non void function means) Int needed
fun add(a:Int, b:Int, lam:(Int,Int) -> Int): Int{
return lam(a,b)
}

Answer 2

Thank you Sir. I got it.