fix idea

src/options.rs

@@ -90,24 +90,35 @@ impl EngineOption {
     EngineOption { name, option_type, option_data, }
   }
 
+  fn engine_option_data_type_string(&t: EngineOptionDataType) -> String {
+    match t {
+      EngineOptionDataType::DefaultVal => String::new("default"),
+      EngineOptionDataType::Min => String::new("min"),
+      EngineOptionDataType::Max => String::new("max"),
+      EngineOptionDataType::Var => String::new("var"),
+    }
+  }
+
+  fn engine_option_data_string(&d: EngineOptionData) -> String {
+    match eod {
+      EngineOptionData::Int(v) => v.to_string(),
+      EngineOptionData::Float(v) => v.to_string(),
+      EngineOptionData::Text(ref v) => v.clone(),
+    }
+  }
+
   pub fn option_string(&self) -> String {
     let mut option_data_string: String = String::new();
 
+    // FIXME: Hash maps are iterated out of order (obviously). In order to guarantee order in the response it'll be
+    //        Easier to test if the key exists (since there are only 3 of them ever), if it does, get the value with
+    //        HashMap::Get, which returns a reference.
+    //
+    //        Test for the key with HashMap::contains_key. You'll have to match for each instance using the private
+    //        functions above. You will _still_ need to build a string like you did before.
     for (dt, eod) in self.option_data.iter() {
       let _: (&EngineOptionDataType, &EngineOptionData) = (dt, eod);
 
-      let dts = match dt {
-        &EngineOptionDataType::DefaultVal => "default",
-        &EngineOptionDataType::Min => "min",
-        &EngineOptionDataType::Max => "max",
-        &EngineOptionDataType::Var => "var",
-      };
-
-      let res = match eod {
-        &EngineOptionData::Int(v) => v.to_string(),
-        &EngineOptionData::Float(v) => v.to_string(),
-        &EngineOptionData::Text(ref v) => v.clone(),
-      };
 
       option_data_string.push_str(&format!("{} {} ", dts, res));
     }