[derive] Implement #[zerocopy(on_error = skip/fail)] - #2982
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This attribute allows deriving traits on types that do not meet
requirements (e.g. missing
#[repr(C)]) by suppressing compilationerrors and emitting no implementation instead. On success, emit
#[allow(trivial_bounds)]so that rustc permits code with unsatisfiedtrait bounds.
For now, we're keeping this attribute experimental, requiring users to
pass
--cfg zerocopy_derive_on_errorto enable it.Closes #1769
#[zerocopy(on_error = skip/fail)]#2982Latest Update: v15 — Compare vs v14
📚 Full Patch History
Links show the diff between the row version and the column version.
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git fetch origin refs/heads/G4f303a34ae0677fde28c03a0e395212a3bd05ab2 && git checkout -b pr-G4f303a34ae0677fde28c03a0e395212a3bd05ab2 FETCH_HEADCheckout
git fetch origin refs/heads/G4f303a34ae0677fde28c03a0e395212a3bd05ab2 && git checkout FETCH_HEADCherry Pick
git fetch origin refs/heads/G4f303a34ae0677fde28c03a0e395212a3bd05ab2 && git cherry-pick FETCH_HEADPull
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