client-api: Simplify Debug output for LoginInfo

crates/ruma-client-api/src/session/login.rs

@@ -140,9 +140,9 @@ pub mod v3 {
     ///
     /// To construct the custom `LoginInfo` variant you first have to construct
     /// [`IncomingLoginInfo::new`] and then call [`IncomingLoginInfo::to_outgoing`] on it.
-    #[derive(Clone, Debug, Incoming, Serialize)]
+    #[derive(Clone, Incoming, Serialize)]
     #[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
-    #[incoming_derive(!Deserialize)]
+    #[incoming_derive(!Debug, !Deserialize)]
     #[serde(untagged)]
     pub enum LoginInfo<'a> {
         /// An identifier and password are supplied to authenticate.
@@ -158,6 +158,18 @@ pub mod v3 {
         _Custom(CustomLoginInfo<'a>),
     }
 
+    impl fmt::Debug for LoginInfo<'_> {
+        fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+            // Print `Password { .. }` instead of `Password(Password { .. })`
+            match self {
+                Self::Password(inner) => inner.fmt(f),
+                Self::Token(inner) => inner.fmt(f),
+                Self::ApplicationService(inner) => inner.fmt(f),
+                Self::_Custom(inner) => inner.fmt(f),
+            }
+        }
+    }
+
     impl IncomingLoginInfo {
         /// Creates a new `IncomingLoginInfo` with the given `login_type` string, session and data.
         ///
@@ -199,6 +211,18 @@ pub mod v3 {
         }
     }
 
+    impl fmt::Debug for IncomingLoginInfo {
+        fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+            // Print `Password { .. }` instead of `Password(Password { .. })`
+            match self {
+                Self::Password(inner) => inner.fmt(f),
+                Self::Token(inner) => inner.fmt(f),
+                Self::ApplicationService(inner) => inner.fmt(f),
+                Self::_Custom(inner) => inner.fmt(f),
+            }
+        }
+    }
+
     impl<'de> Deserialize<'de> for IncomingLoginInfo {
         fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
         where