data class ForeCast(val foreCastTime: Int)
val list: MutableList<ForeCast?> = ArrayList()
fun sort() {
list.sortWith(Comparator { lhs, rhs ->
return@Comparator when {
lhs == null && rhs == null -> 0
lhs != null && rhs == null -> -1
lhs == null && rhs != null -> 1
else -> lhs.foreCastTime - rhs.foreCastTime
}
})
}