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| author | bors <bors@rust-lang.org> | 2018-06-01 01:09:25 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2018-06-01 01:09:25 +0000 |
| commit | b7a9d4ea744c9a99952bc4576727b57c58c0e958 (patch) | |
| tree | eb6581b24d1cbb2e9e2bde8c4d9e3b0b403ee6c4 /src/rustllvm/RustWrapper.cpp | |
| parent | efc508ba4ce9bc0ac3570436b3400c6e0b0f1dfb (diff) | |
| parent | 87c3d7bee52fb99f922c77fa267729b7898bc9a6 (diff) | |
| download | rust-b7a9d4ea744c9a99952bc4576727b57c58c0e958.tar.gz rust-b7a9d4ea744c9a99952bc4576727b57c58c0e958.zip | |
Auto merge of #50836 - jsgf:arc-downcast, r=SimonSapin
Arc downcast Implement `downcast` for `Arc<Any + Send + Sync>` as part of #44608, and gated by the same `rc_downcast` feature. This PR is mostly lightly-edited cut'n'paste. This has two additional changes: - The `downcast` implementation needs `Any + Send + Sync` implementations for `is` and `Debug`, and I added `downcast_ref` and `downcast_mut` for completeness/consistency. (Can these be insta-stabilized?) - At @SimonSapin's suggestion, I converted `Arc` and `Rc` to use `NonNull::cast` to avoid an `unsafe` block in each which tidied things up nicely.
Diffstat (limited to 'src/rustllvm/RustWrapper.cpp')
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