group support

src/api/mod.rs

@@ -33,6 +33,7 @@ pub type EmptyResult = ApiResult<()>;
 
 type JsonUpcase<T> = Json<util::UpCase<T>>;
 type JsonUpcaseVec<T> = Json<Vec<util::UpCase<T>>>;
+type JsonVec<T> = Json<Vec<T>>;
 
 // Common structs representing JSON data received
 #[derive(Deserialize)]