linted the code.

src/services/_users.rs

@@ -7,18 +7,24 @@ use crate::db::users::{list_users, User};
 use crate::util::CustomResult;
 
 #[derive(Serialize, Debug)]
-pub struct Page<T> where T: Serialize {
+pub struct Page<T>
+where
+    T: Serialize,
+{
     total_number_of_page: usize,
     current_page_number: usize,
     content: Vec<T>,
 }
 
-impl<T> Page<T> where T: Serialize{
-    pub fn all_of(data: Vec<T>) -> Page<T>{
-        Page{
+impl<T> Page<T>
+where
+    T: Serialize,
+{
+    pub fn all_of(data: Vec<T>) -> Page<T> {
+        Page {
             total_number_of_page: 0,
             current_page_number: 10,
-            content: data
+            content: data,
         }
     }
 }
@@ -26,12 +32,15 @@ impl<T> Page<T> where T: Serialize{
 #[derive(Deserialize, Serialize, Debug)]
 pub struct UserDTO {
     name: String,
-    id: String,  // todo: should be of type UserId
+    id: String, // todo: should be of type UserId
 }
 
 impl UserDTO {
     fn from_entity(user: &User) -> UserDTO {
-        return UserDTO { name: user.get_name(), id: user.id().to_string() }
+        return UserDTO {
+            name: user.get_name(),
+            id: user.id().to_string(),
+        };
     }
 }
 
@@ -45,8 +54,11 @@ impl UserService<'_> {
     }
 
     pub fn list_users(self) -> CustomResult<Page<UserDTO>> {
-        let users = list_users(self.conn)?.iter().map(UserDTO::from_entity).collect();
+        let users = list_users(self.conn)?
+            .iter()
+            .map(UserDTO::from_entity)
+            .collect();
         let ret = Page::all_of(users);
-        return Ok(ret)
+        return Ok(ret);
     }
 }