viirya commented on issue #1425:
URL: https://github.com/apache/arrow-rs/issues/1425#issuecomment-1065805038


   > It should work otherwise the change you make should also break. they both 
do `*array`
   > 
   > ```rust
   >          let ffi_array = (*array).clone();
   > ```
   
   No...It is basically about Rust ownership rule. In short, `Arc::new(*array)` 
will try to own the data behind `array` raw pointer. So Rust complains it 
cannot move the data. 
   
   `(*array).clone()` doesn't move data but clone it.
   
   


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