add WeekdaySet

Author: Kinrany

.github/workflows/test.yml

@@ -2,7 +2,7 @@ name: All Tests and Builds
 
 env:
   # It's really `--all-features`, but not adding the mutually exclusive features from rkyv
-  ALL_NON_EXCLUSIVE_FEATURES: --features "default unstable-locales rkyv-32 rkyv-validation serde arbitrary"
+  ALL_NON_EXCLUSIVE_FEATURES: --features "default unstable-locales rkyv-32 rkyv-validation serde arbitrary experimental_weekdays"
 
 on:
   push:

src/lib.rs

@@ -580,6 +580,9 @@ mod weekday;
 pub use weekday::ParseWeekdayError;
 pub use weekday::Weekday;
 
+mod weekdays;
+pub use weekdays::WeekdaySet;
+
 mod month;
 #[doc(no_inline)]
 pub use month::ParseMonthError;