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This pull request refactors the Alignment trait's read method signature in zerocopy/src/pointer/invariant.rs to name the aliasing parameter directly as a tuple (A, Self, Safe) instead of quantifying over an Invariants implementation. This change avoids a recursive dependency between the Alignment and Invariants trait declarations during extraction. Corresponding implementations for Unaligned and Aligned are updated, and the call site in zerocopy/src/pointer/ptr.rs is updated to use self.unify_invariants(). There are no review comments, and I have no feedback to provide.
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| // Name the aliasing parameter directly rather than quantifying over an | ||
| // Invariants implementation whose Alignment is Self. Both forms require | ||
| // the same pointer guarantees; the tuple avoids a recursive dependency | ||
| // between the Alignment and Invariants trait declarations during extraction. |
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This new comment is 81 columns wide, including its prefix, although it can be wrapped without impairing readability. Move during extraction. onto a continuation line to comply with the subtree's 80-column prose convention.
AGENTS.md reference: zerocopy/AGENTS.md:L38-L40
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Alignment::read quantifies over an Invariants implementation whose Alignment is Self. This creates a recursive declaration dependency which the pinned Aeneas cannot lower when a trait carries a validator signature. Accept Ptr<_, (A, Self, Safe)> with A: Reference directly. Normalize the existing caller through unify_invariants, which retains its aliasing, alignment and validity guarantees. Both read implementations keep their existing bodies. Validation: pinned MSRV and stable checks, all 170 nightly library tests, and nightly workspace Clippy. gherrit-pr-id: Gebc324cpvia63syt5uspvh2a7nz3uajp Agent-authored-by: AI agent acting on joshlf's behalf
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Alignment::read quantifies over an Invariants implementation whose
Alignment is Self. This creates a recursive declaration dependency which
the pinned Aeneas cannot lower when a trait carries a validator signature.
Accept Ptr<_, (A, Self, Safe)> with A: Reference directly. Normalize the
existing caller through unify_invariants, which retains its aliasing,
alignment and validity guarantees. Both read implementations keep their
existing bodies.
Validation: pinned MSRV and stable checks, all 170 nightly library tests,
and nightly workspace Clippy.
Authored by an AI agent acting on joshlf's behalf.
Latest Update: v9 — Compare vs v8
📚 Full Patch History
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git fetch origin refs/heads/Gebc324cpvia63syt5uspvh2a7nz3uajp && git checkout -b pr-Gebc324cpvia63syt5uspvh2a7nz3uajp FETCH_HEADCheckout
git fetch origin refs/heads/Gebc324cpvia63syt5uspvh2a7nz3uajp && git checkout FETCH_HEADCherry Pick
git fetch origin refs/heads/Gebc324cpvia63syt5uspvh2a7nz3uajp && git cherry-pick FETCH_HEADPull
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