Foggy day

class KotlinPlayGroundActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_kotlin_play_ground) val a = "A" val b = "B" val c = "C" val d = "D" println("func : ${func(a, b, c, d)}") println("curriedFunc : ${curriedFunc()(b)(c)(d)(a)}") println("curriedString : ${curriedString(a)(b)(c)(d)}") } fun ..