[GitHub] [arrow] alamb commented on a change in pull request #9106: ARROW-11137: [Rust][DataFusion] Clippy needless_range_loop,needless_lifetimes

[GitBox <gi...@apache.org>]

alamb commented on a change in pull request #9106:
URL: https://github.com/apache/arrow/pull/9106#discussion_r552215633



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File path: rust/datafusion/src/physical_plan/repartition.rs
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@@ -138,8 +138,8 @@ impl ExecutionPlan for RepartitionExec {
                     }
 
                     // notify each output partition that this input partition has no more data
-                    for i in 0..num_output_partitions {
-                        let tx = &mut channels[i].0;
+                    for channel in channels.iter_mut().take(num_output_partitions) {

Review comment:
       This can probably be even simpler as I think `channels` always has `num_output_partitions` elemements: 
   ```suggestion
                       for channel in channels.iter_mut() {
   ```
   
   But this PR's code is a correct as what was previously here :)




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