bors[bot] e182825170 Merge #2006 ... 2006: Improvements around `Arc<[T]>` r=matklad a=sinkuu First commit tries to avoid cloning `Arc<[T]>` to a temporary `Vec` for mutating it, if there are no other strong references. Second commit utilizes [`FromIterator for Arc<[T]>`](https://doc.rust-lang.org/std/sync/struct.Arc.html#impl-FromIterator%3CT%3E) instead of `.collect::<Vec<_>>().into()` to avoid allocation in `From<Vec<T>> for Arc<[T]>`. Co-authored-by: Shotaro Yamada <sinkuu@sinkuu.xyz>		2019-10-14 13:14:18 +00:00
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src	Merge #2006	2019-10-14 13:14:18 +00:00
Cargo.toml	Introduce ra_cfg to parse and evaluate CfgExpr	2019-10-03 02:28:02 +08:00