feat: Add more Unix time conversion methods

CHANGELOG.adoc

@@ -21,6 +21,8 @@ project adheres to https://semver.org/[Semantic Versioning].
 * Implement `rand::distributions::Distribution` for `FileTime`
   ({pull-request-url}/227[#227])
 * Add benchmarks ({pull-request-url}/228[#228])
+* Add methods to convert between `FileTime` and Unix time in milliseconds and
+  microseconds ({pull-request-url}/229[#229])
 
 == {compare-url}/v0.9.1\...v0.10.0[0.10.0] - 2024-09-27
 

benches/unix_time.rs

@@ -26,6 +26,16 @@ fn to_unix_time_secs(b: &mut Bencher) {
     b.iter(|| FileTime::UNIX_EPOCH.to_unix_time_secs());
 }
 
+#[bench]
+fn to_unix_time_millis(b: &mut Bencher) {
+    b.iter(|| FileTime::UNIX_EPOCH.to_unix_time_millis());
+}
+
+#[bench]
+fn to_unix_time_micros(b: &mut Bencher) {
+    b.iter(|| FileTime::UNIX_EPOCH.to_unix_time_micros());
+}
+
 #[bench]
 fn to_unix_time_nanos(b: &mut Bencher) {
     b.iter(|| FileTime::UNIX_EPOCH.to_unix_time_nanos());
@@ -41,6 +51,16 @@ fn from_unix_time_secs(b: &mut Bencher) {
     b.iter(|| FileTime::from_unix_time_secs(i64::default()).unwrap());
 }
 
+#[bench]
+fn from_unix_time_millis(b: &mut Bencher) {
+    b.iter(|| FileTime::from_unix_time_millis(i64::default()).unwrap());
+}
+
+#[bench]
+fn from_unix_time_micros(b: &mut Bencher) {
+    b.iter(|| FileTime::from_unix_time_micros(i64::default()).unwrap());
+}
+
 #[bench]
 fn from_unix_time_nanos(b: &mut Bencher) {
     b.iter(|| FileTime::from_unix_time_nanos(i128::default()).unwrap());