Add Months::as_u32() (#1373)

Author: danwilliams

src/month.rs

@@ -233,6 +233,12 @@ impl Months {
     pub const fn new(num: u32) -> Self {
         Self(num)
     }
+
+    /// Returns the total number of months in the `Months` instance.
+    #[inline]
+    pub const fn as_u32(&self) -> u32 {
+        self.0
+    }
 }
 
 /// An error resulting from reading `<Month>` value with `FromStr`.
@@ -302,7 +308,7 @@ mod month_serde {
 #[cfg(test)]
 mod tests {
     use super::Month;
-    use crate::{Datelike, OutOfRange, TimeZone, Utc};
+    use crate::{Datelike, Months, OutOfRange, TimeZone, Utc};
 
     #[test]
     fn test_month_enum_try_from() {
@@ -357,6 +363,13 @@ mod tests {
         assert!(Month::September > Month::March);
     }
 
+    #[test]
+    fn test_months_as_u32() {
+        assert_eq!(Months::new(0).as_u32(), 0);
+        assert_eq!(Months::new(1).as_u32(), 1);
+        assert_eq!(Months::new(u32::MAX).as_u32(), u32::MAX);
+    }
+
     #[test]
     #[cfg(feature = "serde")]
     fn test_serde_serialize() {