carols10cents opened a new pull request #990:
URL: https://github.com/apache/arrow-rs/pull/990


   Fixes #989.
   
   This feature opts into impls for `Rc` and `Arc`, but none of the data
   structures that use Serialize/Deserialize actually contain `Rc` or
   `Arc`s.
   
   See:
   
   - [Serde docs](https://serde.rs/feature-flags.html#-features-rc)
   - [PR adding this](https://github.com/apache/arrow/pull/3016)
   
   # Which issue does this PR close?
   
   Closes #989.
   
   # Rationale for this change
   
   Compile less code, enable fewer features for crates depending on Arrow. The 
tests still pass without this feature. 
   
   # What changes are included in this PR?
   
   Remove a feature enabled.
   
   # Are there any user-facing changes?
   
   Projects depending on this crate that accidentally took advantage of feature 
unification to use the functionality added by `rc` might have to add the `rc` 
feature themselves... but that would be a bug in their project.
   
   I don't think this is documented anywhere user-facing, and I don't think 
this qualifies as a breaking change to a public API, but I could be wrong, 
Cargo feature usage is tricky. Please let me know if I'm missing something!
   


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