chore: checkpoint before Python removal

vendor/time/benchmarks/month.rs

@@ -0,0 +1,66 @@
+use criterion::Bencher;
+use time::Month::*;
+
+setup_benchmark! {
+    "Month",
+
+    fn previous(ben: &mut Bencher<'_>) {
+        ben.iter(|| January.previous());
+        ben.iter(|| February.previous());
+        ben.iter(|| March.previous());
+        ben.iter(|| April.previous());
+        ben.iter(|| May.previous());
+        ben.iter(|| June.previous());
+        ben.iter(|| July.previous());
+        ben.iter(|| August.previous());
+        ben.iter(|| September.previous());
+        ben.iter(|| October.previous());
+        ben.iter(|| November.previous());
+        ben.iter(|| December.previous());
+    }
+
+    fn next(ben: &mut Bencher<'_>) {
+        ben.iter(|| January.next());
+        ben.iter(|| February.next());
+        ben.iter(|| March.next());
+        ben.iter(|| April.next());
+        ben.iter(|| May.next());
+        ben.iter(|| June.next());
+        ben.iter(|| July.next());
+        ben.iter(|| August.next());
+        ben.iter(|| September.next());
+        ben.iter(|| October.next());
+        ben.iter(|| November.next());
+        ben.iter(|| December.next());
+    }
+
+    fn length(ben: &mut Bencher<'_>) {
+        // Common year
+        ben.iter(|| January.length(2019));
+        ben.iter(|| February.length(2019));
+        ben.iter(|| March.length(2019));
+        ben.iter(|| April.length(2019));
+        ben.iter(|| May.length(2019));
+        ben.iter(|| June.length(2019));
+        ben.iter(|| July.length(2019));
+        ben.iter(|| August.length(2019));
+        ben.iter(|| September.length(2019));
+        ben.iter(|| October.length(2019));
+        ben.iter(|| November.length(2019));
+        ben.iter(|| December.length(2019));
+
+        // Leap year
+        ben.iter(|| January.length(2020));
+        ben.iter(|| February.length(2020));
+        ben.iter(|| March.length(2020));
+        ben.iter(|| April.length(2020));
+        ben.iter(|| May.length(2020));
+        ben.iter(|| June.length(2020));
+        ben.iter(|| July.length(2020));
+        ben.iter(|| August.length(2020));
+        ben.iter(|| September.length(2020));
+        ben.iter(|| October.length(2020));
+        ben.iter(|| November.length(2020));
+        ben.iter(|| December.length(2020));
+    }
+}