Steven Fackler created ARROW-4678:
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Summary: [Rust] Minimize unstable feature usage
Key: ARROW-4678
URL: https://issues.apache.org/jira/browse/ARROW-4678
Project: Apache Arrow
Issue Type: Improvement
Components: Rust
Affects Versions: 0.12.0
Reporter: Steven Fackler
The Rust implementation currently uses quite a few nightly features. This is
unfortunately a hard blocker on using these crates for many users.
Here's the list of currently use nightly features:
* type_ascription: Unused, can be trivially removed.
* rustc_private: Unused, can be trivially removed.
* box_syntax: Indefinitely far from stabilization, trivially replaceable with
Box::new.
* box_patterns: Indefinitely far from stabilization, replaceable with some
minor restructuring of a couple of matches.
* serde's alloc feature: Unused, can be trivially removed.
* try_from: Scheduled for stabilization in Rust 1.35.
* specialization: Actively being worked on - maybe ~1 year timeframe?
* packed_simd: Actively being worked on - maybe ~1 year timeframe?
The first set of features are easy enough to get rid of - I'll make a PR to do
that (https://github.com/sfackler/arrow/tree/more-stable). I'm a bit less sure
of what to do with specialization and packed_simd, though.
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