rename enum option

src/client/connection.rs

@@ -23,7 +23,7 @@ impl Connection {
         server_identity: Option<NetworkAddress>,
     ) -> Result<Self, Error> {
         if socket_connection.is_closed() {
-            return Err(Error::SocketConnectionClosed);
+            return Err(Error::Closed);
         }
 
         Ok(Self {
@@ -118,7 +118,7 @@ pub fn new_tls_client_connection(
     server_identity: Option<&NetworkAddress>,
 ) -> Result<TlsClientConnection, Error> {
     if socket_connection.is_closed() {
-        return Err(Error::SocketConnectionClosed);
+        return Err(Error::Closed);
     }
 
     // https://geminiprotocol.net/docs/protocol-specification.gmi#the-use-of-tls

src/client/connection/error.rs

@@ -2,19 +2,19 @@ use std::fmt::{Display, Formatter, Result};
 
 #[derive(Debug)]
 pub enum Error {
+    Closed,
     Rehandshake(glib::Error),
     SocketConnection(glib::Error),
-    SocketConnectionClosed,
     TlsClientConnection(glib::Error),
 }
 
 impl Display for Error {
     fn fmt(&self, f: &mut Formatter) -> Result {
         match self {
+            Self::Closed => write!(f, "Connection closed"),
             Self::Rehandshake(e) => {
                 write!(f, "Rehandshake error: {e}")
             }
-            Self::SocketConnectionClosed => write!(f, "Socket connection closed"),
             Self::SocketConnection(e) => {
                 write!(f, "Socket connection error: {e}")
             }