Improve Display for Version

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "vbs"
-version = "0.1.3"
+version = "0.1.4"
 edition = "2021"
 rust-version = "1.75.0"
 authors = ["Espresso Systems <[email protected]>"]
@@ -12,7 +12,7 @@ license = "MIT"
 
 [dependencies]
 anyhow = "1.0"
+derive_more = "0.99"
 bincode = "1.3"
-displaydoc = "0.2"
 serde = { version = "1.0", features = ["derive"] }
 serde_with = "3.4"

src/version.rs

@@ -1,10 +1,11 @@
 use anyhow::anyhow;
 use core::fmt::Debug;
-use displaydoc::Display;
+use derive_more::Display;
 use serde::{Deserialize, Serialize};
 
 #[derive(Clone, Copy, Debug, Deserialize, Display, Eq, Hash, PartialEq, Serialize)]
 /// Type for protocol version number
+#[display(fmt = "{major}.{minor}")]
 pub struct Version {
     /// major version number
     pub major: u16,
@@ -82,3 +83,13 @@ mod private {
     // Implement for those same types, but no others.
     impl<const MAJOR: u16, const MINOR: u16> Sealed for super::StaticVersion<MAJOR, MINOR> {}
 }
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn test_version_display() {
+        assert_eq!("1.2", Version { major: 1, minor: 2 }.to_string());
+    }
+}