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| author | bors <bors@rust-lang.org> | 2019-10-06 16:32:46 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2019-10-06 16:32:46 +0000 |
| commit | 421bd77f42c2fe8a2596dbcc1580ec97fb89009f (patch) | |
| tree | 7c0dc2e29403ff3bc579d3d422a4495d067ca751 /src/libsyntax/tokenstream.rs | |
| parent | 9203ee7b56b9963e6b95a58fb43985a3d9a637f6 (diff) | |
| parent | 47f89e7485ed7a76d8bfcbedcad07fd6b74fa927 (diff) | |
| download | rust-421bd77f42c2fe8a2596dbcc1580ec97fb89009f.tar.gz rust-421bd77f42c2fe8a2596dbcc1580ec97fb89009f.zip | |
Auto merge of #64564 - jonas-schievink:cowardly-default, r=nikomatsakis
Deny specializing items not in the parent impl Part of https://github.com/rust-lang/rust/issues/29661 (https://github.com/rust-lang/rfcs/pull/2532). At least sort of? This was discussed in https://github.com/rust-lang/rust/pull/61812#discussion_r300504114 and is needed for that PR to make progress (fixing an unsoundness). One annoyance with doing this is that it sometimes requires users to copy-paste a provided trait method into an impl just to mark it `default` (ie. there is no syntax to forward this impl method to the provided trait method). cc @Centril and @arielb1
Diffstat (limited to 'src/libsyntax/tokenstream.rs')
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