display view versin

iceberg-rust-spec/src/spec/view_metadata.rs

@@ -286,6 +286,23 @@ pub struct Version {
     pub default_namespace: Option<Vec<String>>,
 }
 
+impl fmt::Display for Version {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(
+            f,
+            "{}",
+            &serde_json::to_string(self).map_err(|_| fmt::Error::default())?,
+        )
+    }
+}
+
+impl str::FromStr for Version {
+    type Err = Error;
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        serde_json::from_str(s).map_err(Error::from)
+    }
+}
+
 #[derive(Debug, Serialize, Deserialize, PartialEq, Eq, Clone)]
 #[serde(rename_all = "kebab-case")]
 /// Fields for the version 2 of the view metadata.