Define an unsized tail#2287
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We refer to the unsized tail of a type, but we hadn't defined it. Let's do that and link to the definition.
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This PR was rebased onto a different master commit. Here's a range-diff highlighting what actually changed. Rebasing is a normal part of keeping PRs up to date, so no action is needed—this note is just to help reviewers. |
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We refer to the unsized tail of a type, but we hadn't defined it. Let's do that and link to the definition.
I'm breaking this out from #2282 so that we can merge the prerequisites before considering the new lang guarantees.
This is stacked on #2286 and that should be merged first.
cc @ehuss @RalfJung @Mark-Simulacrum