[GitHub] [incubator-opendal] dqhl76 commented on issue #2617: feat: Add AsyncBacktraceLayer to allow users dump this execution tree at runtime

["dqhl76 (via GitHub)" <gi...@apache.org>]

dqhl76 commented on issue #2617:
URL: https://github.com/apache/incubator-opendal/issues/2617#issuecomment-1662184240

   It seems we cannot use `async-backtrace` to create a new layer.
   
   `#[async_backtrace::framed]` will change the `fn read` 's signature. 
   ```rust
   impl<A: Accessor> LayeredAccessor for AsyncBacktraceAccessor<A> {
   ...
       #[async_backtrace::framed]
       async fn read(&self, path: &str, args: OpRead) -> Result<(RpRead, Self::Reader)> {
           self.inner.read(path, args).await
       }
   ...
   }
   ```
   The example code below will give an error `Not all trait items implemented, missing: read [E0046]`


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