``` val default = hashSetOf("12:30", "9:30") val t...

# android

[aaron_c]

val default = hashSetOf("12:30", "9:30")
val times = prefs.getStringSet("times", default)
val things: List<Calendar> = times.map{    convertTime(it)}.filterNotNull()
val map = things.associateBy(  keySelector = (T) -> K,        valueTransform = it): Map<Int, Calendar>