work

src/rsc.rs

@@ -20,13 +20,17 @@ impl Default for DataDir {
     }
 }
 
+pub trait DataRsc: bincode::Encode + bincode::Decode<()> + Default {
+    fn path() -> &'static str;
+}
+
 impl DataDir {
     pub fn get(&self) -> &Path {
         self.dirs.data_local_dir()
     }
 
-    pub fn load<T: bincode::Decode<()> + Default>(&self, path: &str) -> T {
-        let path = self.get().join(path);
+    pub fn load<T: DataRsc>(&self) -> T {
+        let path = self.get().join(T::path());
         match fs::read(path) {
             Ok(bytes) => match bincode::decode_from_slice(&bytes, BINCODE_CONFIG) {
                 Ok((data, _)) => data,
@@ -36,10 +40,10 @@ impl DataDir {
         }
     }
 
-    pub fn save<T: bincode::Encode>(&self, path: &str, data: &T) {
+    pub fn save<T: DataRsc>(&self, data: &T) {
         let dir = self.get();
         fs::create_dir_all(dir).unwrap();
-        let mut file = File::create(dir.join(path)).unwrap();
+        let mut file = File::create(dir.join(T::path())).unwrap();
         bincode::encode_into_std_write(data, &mut file, BINCODE_CONFIG).unwrap();
     }
 }