pitrou commented on a change in pull request #11026:
URL: https://github.com/apache/arrow/pull/11026#discussion_r703013130



##########
File path: cpp/src/arrow/compute/api_scalar.h
##########
@@ -278,6 +278,23 @@ struct ARROW_EXPORT DayOfWeekOptions : public 
FunctionOptions {
   uint32_t week_start;
 };
 
+struct ARROW_EXPORT WeekOptions : public FunctionOptions {
+ public:
+  explicit WeekOptions(bool week_starts_monday = true, bool count_from_zero = 
false,
+                       bool first_week_in_year = false);
+  constexpr static char const kTypeName[] = "WeekOptions";
+  static WeekOptions Defaults() { return WeekOptions{}; }
+
+  /// What day does the week start with (Monday=true, Sunday=false)
+  bool week_starts_monday;
+  /// Dates from current year that fall into last ISO week of the previous 
year return
+  /// 0 if true and 52 or 53 if false.
+  bool count_from_zero;

Review comment:
       Ha. Well, that sounds like a useful function :-)




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