✅ rust: leap

rust/leap/src/lib.rs

@@ -0,0 +1,9 @@
+pub fn is_leap_year(year: u64) -> bool {
+    if year % 400 == 0 {
+        true
+    } else if year % 100 == 0 {
+        false
+    } else {
+        year % 4 == 0
+    }
+}