kotlin-fork/idea/testData/refactoring/inline/function/expressionBody/SafeCall.kt.after

fun f(s: String?) {
    if (s != null) {
        s.hashCode() * 1
    }
    val substring = s?.substring(1)
    if (substring != null) {
        substring.hashCode() * 2
    }
    val s1 = s?.let { it.hashCode() * 3 }
    val s2 = s?.substring(1)?.let { it.hashCode() * 4 }
}