alamb opened a new issue #302:
URL: https://github.com/apache/arrow-rs/issues/302


   **Is your feature request related to a problem or challenge? Please describe 
what you are trying to do.**
   Users  can create arrow arrays in one of two ways:
   1. Directly from an `Iterator` or `vec` (via methods such as 
[from_iter](https://docs.rs/arrow/4.0.0/arrow/array/struct.GenericStringArray.html#method.from_iter)
   2. Using a builder (something that implements 
[ArrayBuilder](https://docs.rs/arrow/4.0.0/arrow/array/trait.ArrayBuilder.html))
 
   
   Typically the `from_iterator` method is both easier to use and faster, but 
it is not well documented in the doc strings
   
   **Describe the solution you'd like**
   1. Add doc examples for `from_iter` methods (we can file additional issues 
for subsets of these iterators)
   2. Add doc examples for the builders (such as 
https://docs.rs/arrow/4.0.0/arrow/array/struct.BooleanBuilder.html) and also 
link to the `from_iter` methods
   
   


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