Reduce the size of the simple version to 4 bytes

src/repository/downloader/versions.rs

@@ -16,7 +16,7 @@ use super::VersionInfo;
 
 #[derive(Clone, Serialize, Deserialize)]
 pub struct Versions {
-    lts_versions: HashMap<String, u16>,
+    lts_versions: HashMap<String, u8>,
     versions: HashMap<SimpleVersion, VersionMetadata>,
     // as this field is not serialized
     // it needs to be calculated after serialization
@@ -53,7 +53,7 @@ impl Versions {
     pub fn new(all_versions: Vec<VersionInfo>) -> Self {
         let lts_versions = all_versions
             .iter()
-            .filter_map(|v| Some((v.lts.lts_ref()?.to_lowercase(), v.version.major as u16)))
+            .filter_map(|v| Some((v.lts.lts_ref()?.to_lowercase(), v.version.major as u8)))
             .collect::<HashMap<_, _>>();
         let mut sorted_versions = all_versions
             .iter()
@@ -133,7 +133,7 @@ impl Versions {
 
     /// Returns any version that fulfills the given requirement
     #[tracing::instrument(level = "debug", skip(self))]
-    fn get_latest_for_major(&self, major: u16) -> Option<&VersionMetadata> {
+    fn get_latest_for_major(&self, major: u8) -> Option<&VersionMetadata> {
         let fulfilling_versions = self
             .sorted_versions
             .iter()

src/versioning.rs

@@ -6,9 +6,9 @@ use crate::repository::downloader::VersionInfo;
 
 #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Deserialize, Serialize, Hash)]
 pub struct SimpleVersion {
-    pub major: u16,
-    pub minor: u16,
-    pub patch: u32,
+    pub major: u8,
+    pub minor: u8,
+    pub patch: u16,
 }
 
 #[derive(Clone, Serialize, Deserialize)]
@@ -22,9 +22,9 @@ pub struct VersionMetadata {
 impl From<semver::Version> for SimpleVersion {
     fn from(value: semver::Version) -> Self {
         Self {
-            major: value.major as u16,
-            minor: value.minor as u16,
-            patch: value.patch as u32,
+            major: value.major as u8,
+            minor: value.minor as u8,
+            patch: value.patch as u16,
         }
     }
 }