Add Error::source method per RFC 2504. #53533
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@rfcbot fcp merge Tracking issue #53487 RFC rust-lang/rfcs#2504 |
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🔔 This is now entering its final comment period, as per the review above. 🔔 |
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Code-wise change looks fine to me. |
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@bors delegate+ |
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✌️ @withoutboats can now approve this pull request |
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The final comment period, with a disposition to merge, as per the review above, is now complete. |
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@bors r+ |
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📌 Commit e2e4f57 has been approved by |
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⌛ Testing commit e2e4f57 with merge 328565efd875a4949bdcfc2d4ecc55a97d796648... |
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💔 Test failed - status-travis |
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@bors retry The linker is killed with SIGILL. The error doesn't seem relevant at all. |
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Sep 1, 2018
Add Error::source method per RFC 2504. This implements part of RFC 2504. * Adds `Error::source`, a replacement for `Error::cause` with the "right" signature, which will be instantly stable. * Deprecates `Error::cause` in 1.33 (this choice was based on the precedent in #52994, which we haven't finalized). * Redefines `Error::cause` to delegate to `Error::source` (the delegation can only go in this direction, not the other). @rfcbot fcp merge
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☀️ Test successful - status-appveyor, status-travis |
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This implements part of RFC 2504.
Error::source, a replacement forError::causewith the "right" signature, which will be instantly stable.Error::causein 1.33 (this choice was based on the precedent in Add trim_start, trim_end etc.; deprecate trim_left, trim_right, etc. in future #52994, which we haven't finalized).Error::causeto delegate toError::source(the delegation can only go in this direction, not the other).@rfcbot fcp merge