class A(val k: Int) { fun foo(x: X, s: String, k: Int): Boolean { return x.k + s.length - k + this.k/2 > 0 } fun test() { foo(X(0), "1", 2) } } class X(val k: Int) fun test() { with(A(3)) { foo(X(0), "1", 2) } }