From 2c32069d9ecd0f5f0b599b7ef4c5e3146cba75e7 Mon Sep 17 00:00:00 2001
From: Alan Somers <asomers@gmail.com>
Date: Sun, 29 Sep 2024 14:25:30 -0600
Subject: [PATCH] Fix the serde feature after #51

We should really add a CI configuration that includes that feature.
---
 src/lib.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 8c69eab..57ab3e2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -112,7 +112,6 @@ mod subject {
 
     /// Represents a user subject
     #[derive(Clone, Debug, PartialEq, Eq, Hash)]
-    #[cfg_attr(feature = "serialize", derive(serde::Serialize))]
     pub struct User(pub Uid);
 
     impl User {
@@ -143,6 +142,15 @@ mod subject {
         }
     }
 
+    #[cfg(feature = "serialize")]
+    impl serde::Serialize for User {
+        fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+            where S: serde::Serializer
+        {
+            self.0.as_raw().serialize(serializer)
+        }
+    }
+
     impl<'a> From<&'a User> for String {
         fn from(user: &'a User) -> String {
             format!("user:{}", user.0)