fixup! feat(oauth): add flow for reciprocating a login using a QR code generated on the existing device

Avoid unwraps in examples

Signed-off-by: Johannes Marbach <[email protected]>

Author: Johennes

crates/matrix-sdk/src/authentication/oauth/mod.rs

@@ -1456,7 +1456,7 @@ impl<'a> LoginWithQrCodeBuilder<'a> {
     ///     ruma::serde::Raw,
     ///     Client,
     /// };
-    /// use std::io::stdin;
+    /// use std::{error::Error, io::stdin};
     /// # fn client_metadata() -> Raw<ClientMetadata> { unimplemented!() }
     /// # _ = async {
     /// // Build the client as usual.
@@ -1487,16 +1487,17 @@ impl<'a> LoginWithQrCodeBuilder<'a> {
     ///             LoginProgress::EstablishingSecureChannel(GeneratedQrProgress::QrScanned(cctx)) => {
     ///                 println!("Please enter the code displayed on your other device");
     ///                 let mut s = String::new();
-    ///                 stdin().read_line(&mut s).unwrap();
-    ///                 let check_code = s.trim().parse::<u8>().unwrap();
-    ///                 cctx.send(check_code).await.unwrap()
+    ///                 stdin().read_line(&mut s)?;
+    ///                 let check_code = s.trim().parse::<u8>()?;
+    ///                 cctx.send(check_code).await?
     ///             }
     ///             LoginProgress::WaitingForToken { user_code } => {
     ///                 println!("Please use your other device to confirm the log in {user_code}")
     ///             },
     ///             LoginProgress::Done => break,
     ///         }
     ///     }
+    ///     Ok::<(), Box<dyn Error + Send + Sync>>(())
     /// });
     ///
     /// // Now run the future to complete the login.
@@ -1534,7 +1535,7 @@ impl<'a> GrantLoginWithQrCodeBuilder<'a> {
     ///         qrcode::{GeneratedQrProgress, GrantLoginProgress}
     ///     }
     /// };
-    /// use std::io::stdin;
+    /// use std::{error::Error, io::stdin};
     /// # _ = async {
     /// // Build the client as usual.
     /// let client = Client::builder()
@@ -1563,16 +1564,17 @@ impl<'a> GrantLoginWithQrCodeBuilder<'a> {
     ///             GrantLoginProgress::EstablishingSecureChannel(GeneratedQrProgress::QrScanned(checkcode_sender)) => {
     ///                 println!("Please enter the code displayed on your other device");
     ///                 let mut s = String::new();
-    ///                 stdin().read_line(&mut s).unwrap();
-    ///                 let check_code = s.trim().parse::<u8>().unwrap();
-    ///                 checkcode_sender.send(check_code).await;
+    ///                 stdin().read_line(&mut s)?;
+    ///                 let check_code = s.trim().parse::<u8>()?;
+    ///                 checkcode_sender.send(check_code).await?;
     ///             }
     ///             GrantLoginProgress::WaitingForAuth { verification_uri } => {
     ///                 println!("Please open {verification_uri} to confirm the new login")
     ///             },
     ///             GrantLoginProgress::Done => break,
     ///         }
     ///     }
+    ///     Ok::<(), Box<dyn Error + Send + Sync>>(())
     /// });
     ///
     /// // Now run the future to grant the login.