src/lib.rs

@@ -7,3 +7,13 @@ pub mod song;
 pub mod token;
 pub mod types;
 pub mod user;
+
+pub mod init {
+    pub fn is_id_valid(num: &i32) -> bool {
+        *num > 0
+    }
+
+    pub fn is_uuid_nil(uuid: &uuid::Uuid) -> bool {
+        uuid.is_nil()
+    }
+}

src/user.rs

@@ -1,10 +1,12 @@
 use std::default::Default;
 
+use crate::init;
+
 use serde::{Deserialize, Serialize};
 
 #[derive(Clone, Debug, Deserialize, Serialize)]
 pub struct User {
-    #[serde(skip_serializing_if = "is_uuid_nil")]
+    #[serde(skip_serializing_if = "init::is_uuid_nil")]
     pub id: uuid::Uuid,
     #[serde(skip_serializing_if = "String::is_empty")]
     pub username: String,
@@ -27,14 +29,6 @@ pub struct User {
     pub last_login: String,
 }
 
-fn is_id_valid(num: &i32) -> bool {
-    *num > 0
-}
-
-fn is_uuid_nil(uuid: &uuid::Uuid) -> bool {
-    uuid.is_nil()
-}
-
 impl Default for User {
     fn default() -> Self {
         User {