more specific types!

1 files changed, 19 insertions, 0 deletions

diff --git a/src/timestamp.rs b/src/timestamp.rs
new file mode 100644
index 0000000..645fb0d
--- /dev/null
+++ b/src/timestamp.rs
@@ -0,0 +1,19 @@
+
+use std::ops::{Add, Sub};
+
+#[derive(Debug, Default, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
+pub struct Timestamp(pub i64);
+
+impl Add<i64> for Timestamp {
+    type Output = Self;
+    fn add(self, other: i64) -> Self {
+        Self(self.0 + other)
+    }
+}
+
+impl Sub<i64> for Timestamp {
+    type Output = Self;
+    fn sub(self, other: i64) -> Self {
+        Self(self.0 - other)
+    }
+}