Merge branch 'main' into th/weekViewItem

Author: thellmund

core/src/main/java/com/alamkanak/weekview/CalendarExtensions.kt

@@ -168,9 +168,7 @@ internal fun firstDayOfYear(): Calendar {
     }
 }
 
-internal typealias DateRange = List<Calendar>
-
-internal fun DateRange.validate(viewState: ViewState): List<Calendar> {
+internal fun List<Calendar>.validate(viewState: ViewState): List<Calendar> {
     val minDate = viewState.minDate
     val maxDate = viewState.maxDate
 

core/src/main/java/com/alamkanak/weekview/WeekView.kt

@@ -1479,11 +1479,7 @@ class WeekView @JvmOverloads constructor(
          * @param item The item of type [T] that was submitted to [WeekView]
          * @return A [WeekViewItem] that will be rendered in [WeekView]
          */
-        open fun onCreateItem(item: T): WeekViewItem {
-            throw RuntimeException(
-                "You called submitList() on WeekView's adapter, but didn't implement onCreateItem()."
-            )
-        }
+        abstract fun onCreateItem(item: T): WeekViewItem
 
         /**
          * Called for each element of type [T] that was submitted to this adapter. This method must