Proper Kotlin Closeable close function

closeable.kt

inline fun <T> Closeable.use(block: () -> T): T {    
    var exception: Throwable? = null
    try {
        return block()
    } catch (e: Throwable) {
        exception = e
        throw e
    } finally {
        when (exception) {
            null -> close()
            else -> try {
                close()
            } catch (e: Throwable) {
                exception.addSuppressed(e)
            }
        }
    }
}