rluvaton opened a new pull request, #6395:
URL: https://github.com/apache/arrow-rs/pull/6395

   # Which issue does this PR close?
   
   No issue as there were no bug or feature requests behind it
   
   # Rationale for this change
    
   using `BooleanBuffer::collect_bool` is supposed to be faster as it 
eliminates the conditional `Iterator::next`
   
   # What changes are included in this PR?
   
   update docs example from:
   
   ```rust
   let values = (0..len).map(|i| cmp(i, i).is_eq()).collect();
   ```
   
   to :
   ```rust
   let values = BooleanBuffer::collect_bool(len, |i| cmp(i, i).is_eq());
   ```
   
   # Are there any user-facing changes?
   
   Nope
   


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