@get:JvmName("newestReplyFirst")
val newestReplyFirst: Comparator<Reply<*>> =
comparing(Reply<*>::getTime).reversed()
+
+/**
+ * Predicate that returns whether a reply is _not_ from the future,
+ * i.e. whether it should be visible now.
+ */
+val noFutureReply: (Reply<*>) -> Boolean =
+ { it.getTime() <= System.currentTimeMillis() }