Implement destructuring assignment for structs and slices#78836
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bors merged 1 commit intorust-lang:masterfrom Nov 13, 2020
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Implement destructuring assignment for structs and slices#78836bors merged 1 commit intorust-lang:masterfrom
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Also, #78748 has been merged, so this can be rebased. (Some GitHub tools like marking files as reviewed don't really work on individual commits, only on whole PRs, so reviewing PRs based on other PRs is harder.) |
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r=me after addressing #78836 (comment), updating failing UI tests and squashing commits. |
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Great! I'll squash as soon as CI passes. |
Co-authored-by: varkor <github@varkor.com>
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Just squashed, should be ready for approval. |
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@bors r+ |
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📌 Commit de84ad9 has been approved by |
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⌛ Testing commit de84ad9 with merge 9ecbbfae550c6d172d4ea7c9306f0c7c7db0f7d2... |
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💔 Test failed - checks-actions |
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Not much I can do, sorry. See https://rust-lang.zulipchat.com/#narrow/stream/246057-t-cargo/topic/pinging.20for.20zlib.20error for what's going on. |
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@bors retry |
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…ing, r=petrochenkov Implement destructuring assignment for structs and slices This is the second step towards implementing destructuring assignment (RFC: rust-lang/rfcs#2909, tracking issue: rust-lang#71126). This PR is the second part of rust-lang#71156, which was split up to allow for easier review. Note that the first PR (rust-lang#78748) is not merged yet, so it is included as the first commit in this one. I thought this would allow the review to start earlier because I have some time this weekend to respond to reviews. If `@petrochenkov` prefers to wait until the first PR is merged, I totally understand, of course. This PR implements destructuring assignment for (tuple) structs and slices. In order to do this, the following *parser change* was necessary: struct expressions are not required to have a base expression, i.e. `Struct { a: 1, .. }` becomes legal (in order to act like a struct pattern). Unfortunately, this PR slightly regresses the diagnostics implemented in rust-lang#77283. However, it is only a missing help message in `src/test/ui/issues/issue-77218.rs`. Other instances of this diagnostic are not affected. Since I don't exactly understand how this help message works and how to fix it yet, I was hoping it's OK to regress this temporarily and fix it in a follow-up PR. Thanks to `@varkor` who helped with the implementation, particularly around the struct rest changes. r? `@petrochenkov`
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Rollup of 7 pull requests Successful merges: - rust-lang#76730 (Fix rustdoc rendering of by-value mutable arguments in async fn) - rust-lang#78836 (Implement destructuring assignment for structs and slices) - rust-lang#78857 (Improve BinaryHeap performance) - rust-lang#78950 (Add asm register information for SPIR-V) - rust-lang#78970 (update rustfmt to v1.4.25) - rust-lang#78972 (Update cargo) - rust-lang#78987 (extend min_const_generics param ty tests) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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…ing, r=petrochenkov Implement destructuring assignment for structs and slices This is the second step towards implementing destructuring assignment (RFC: rust-lang/rfcs#2909, tracking issue: rust-lang#71126). This PR is the second part of rust-lang#71156, which was split up to allow for easier review. Note that the first PR (rust-lang#78748) is not merged yet, so it is included as the first commit in this one. I thought this would allow the review to start earlier because I have some time this weekend to respond to reviews. If ``@petrochenkov`` prefers to wait until the first PR is merged, I totally understand, of course. This PR implements destructuring assignment for (tuple) structs and slices. In order to do this, the following *parser change* was necessary: struct expressions are not required to have a base expression, i.e. `Struct { a: 1, .. }` becomes legal (in order to act like a struct pattern). Unfortunately, this PR slightly regresses the diagnostics implemented in rust-lang#77283. However, it is only a missing help message in `src/test/ui/issues/issue-77218.rs`. Other instances of this diagnostic are not affected. Since I don't exactly understand how this help message works and how to fix it yet, I was hoping it's OK to regress this temporarily and fix it in a follow-up PR. Thanks to ``@varkor`` who helped with the implementation, particularly around the struct rest changes. r? ``@petrochenkov``
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This is the second step towards implementing destructuring assignment (RFC: rust-lang/rfcs#2909, tracking issue: #71126). This PR is the second part of #71156, which was split up to allow for easier review.
Note that the first PR (#78748) is not merged yet, so it is included as the first commit in this one. I thought this would allow the review to start earlier because I have some time this weekend to respond to reviews. If @petrochenkov prefers to wait until the first PR is merged, I totally understand, of course.
This PR implements destructuring assignment for (tuple) structs and slices. In order to do this, the following parser change was necessary: struct expressions are not required to have a base expression, i.e.
Struct { a: 1, .. }becomes legal (in order to act like a struct pattern).Unfortunately, this PR slightly regresses the diagnostics implemented in #77283. However, it is only a missing help message in
src/test/ui/issues/issue-77218.rs. Other instances of this diagnostic are not affected. Since I don't exactly understand how this help message works and how to fix it yet, I was hoping it's OK to regress this temporarily and fix it in a follow-up PR.Thanks to @varkor who helped with the implementation, particularly around the struct rest changes.
r? @petrochenkov