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| author | bors <bors@rust-lang.org> | 2021-08-08 01:52:32 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2021-08-08 01:52:32 +0000 |
| commit | 835dce569d8fbad7566942b6ccf8c62ac3900791 (patch) | |
| tree | e29f12591f270353ab070b31eb4abf7d9b73084c /compiler/rustc_query_impl/src | |
| parent | 798446fe0612dd83a151e99c201b87dd649d4eb3 (diff) | |
| parent | a7e88e0dad45d12ec9b9a176614f38c329a23946 (diff) | |
| download | rust-835dce569d8fbad7566942b6ccf8c62ac3900791.tar.gz rust-835dce569d8fbad7566942b6ccf8c62ac3900791.zip | |
Auto merge of #86744 - ijackson:sink-default, r=dtolnay
impl Default, Copy, Clone for std::io::Sink and Empty The omission of `Sink: Default` is causing me a slight inconvenience in a test harness. There seems little reason for this and `Empty` not to be `Clone` and `Copy` too. I have made all three of these insta-stable, because: AIUI `Copy` can only be derived, and I was not able to find any examples of how to unstably derive it. I think it is probably not possible. I hunted through the git history for precedent and found > 79b8ad84c84481a43704213cd0948d2ba0ea63b4 > Implement `Copy` for `IoSlice` > https://github.com/rust-lang/rust/pull/69403 which was also insta-stable.
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