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exhaustiveness: Prefer "0..MAX not covered" to "_ not covered" #120727

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merged 2 commits into from Feb 8, 2024

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Nadrieril
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There was an exception when reporting integer ranges as missing, it's been there for as long as I can remember. This PR removes it. I think it's nicer to report "0..MAX not covered" than "_ not covered". This also makes it consistent with enums, where we report individual enum variants in this case (as showcased in the rest of the empty-match.rs test).

r? @estebank

@Nadrieril Nadrieril added A-diagnostics Area: Messages for errors, warnings, and lints A-exhaustiveness-checking Relating to exhaustiveness / usefulness checking of patterns labels Feb 7, 2024
@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Feb 7, 2024
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I also agree that this is clearer, if a bit more verbose. That verbosity does pay off in this case, though.

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r? compiler-errors @bors r+ rollup

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bors commented Feb 7, 2024

📌 Commit 5a3d6e4 has been approved by compiler-errors

It is now in the queue for this repository.

@rustbot rustbot assigned compiler-errors and unassigned estebank Feb 7, 2024
@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Feb 7, 2024
bors added a commit to rust-lang-ci/rust that referenced this pull request Feb 7, 2024
Rollup of 13 pull requests

Successful merges:

 - rust-lang#110482 (Add armv8r-none-eabihf target for the Cortex-R52.)
 - rust-lang#119162 (Add unstable `-Z direct-access-external-data` cmdline flag for `rustc`)
 - rust-lang#120302 (various const interning cleanups)
 - rust-lang#120455 ( Add FileCheck annotations to MIR-opt SROA tests)
 - rust-lang#120470 (Mark "unused binding" suggestion as maybe incorrect)
 - rust-lang#120479 (Suggest turning `if let` into irrefutable `let` if appropriate)
 - rust-lang#120564 (coverage: Split out counter increment sites from BCB node/edge counters)
 - rust-lang#120633 (pattern_analysis: gather up place-relevant info)
 - rust-lang#120664 (Add parallel rustc ui tests)
 - rust-lang#120721 (fix `llvm_out` to use the correct LLVM root)
 - rust-lang#120726 (Don't use bashism in checktools.sh)
 - rust-lang#120733 (MirPass: make name more const)
 - rust-lang#120735 (Remove some `unchecked_claim_error_was_emitted` calls)

Failed merges:

 - rust-lang#120727 (exhaustiveness: Prefer "`0..MAX` not covered" to "`_` not covered")

r? `@ghost`
`@rustbot` modify labels: rollup
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Fixed conflicts

@bors r=@compiler-errors

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bors commented Feb 7, 2024

📌 Commit 9dca6be has been approved by compiler-errors

It is now in the queue for this repository.

matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Feb 8, 2024
…ompiler-errors

exhaustiveness: Prefer "`0..MAX` not covered" to "`_` not covered"

There was an exception when reporting integer ranges as missing, it's been there for as long as I can remember. This PR removes it. I think it's nicer to report "`0..MAX` not covered" than "`_` not covered". This also makes it consistent with enums, where we report individual enum variants in this case (as showcased in the rest of the `empty-match.rs` test).

r? `@estebank`
bors added a commit to rust-lang-ci/rust that referenced this pull request Feb 8, 2024
…iaskrgr

Rollup of 9 pull requests

Successful merges:

 - rust-lang#119592 (resolve: Unload speculatively resolved crates before freezing cstore)
 - rust-lang#120103 (Make it so that async-fn-in-trait is compatible with a concrete future in implementation)
 - rust-lang#120206 (hir: Make sure all `HirId`s have corresponding HIR `Node`s)
 - rust-lang#120214 (match lowering: consistently lower bindings deepest-first)
 - rust-lang#120596 ([rustdoc] Correctly generate path for non-local items in source code pages)
 - rust-lang#120688 (GVN: also turn moves into copies with projections)
 - rust-lang#120727 (exhaustiveness: Prefer "`0..MAX` not covered" to "`_` not covered")
 - rust-lang#120734 (Add `SubdiagnosticMessageOp` as a trait alias.)
 - rust-lang#120739 (improve pretty printing for associated items in trait objects)

r? `@ghost`
`@rustbot` modify labels: rollup
bors added a commit to rust-lang-ci/rust that referenced this pull request Feb 8, 2024
…iaskrgr

Rollup of 9 pull requests

Successful merges:

 - rust-lang#119592 (resolve: Unload speculatively resolved crates before freezing cstore)
 - rust-lang#120103 (Make it so that async-fn-in-trait is compatible with a concrete future in implementation)
 - rust-lang#120206 (hir: Make sure all `HirId`s have corresponding HIR `Node`s)
 - rust-lang#120214 (match lowering: consistently lower bindings deepest-first)
 - rust-lang#120688 (GVN: also turn moves into copies with projections)
 - rust-lang#120702 (docs: also check the inline stmt during redundant link check)
 - rust-lang#120727 (exhaustiveness: Prefer "`0..MAX` not covered" to "`_` not covered")
 - rust-lang#120734 (Add `SubdiagnosticMessageOp` as a trait alias.)
 - rust-lang#120739 (improve pretty printing for associated items in trait objects)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 5157190 into rust-lang:master Feb 8, 2024
11 checks passed
@rustbot rustbot added this to the 1.78.0 milestone Feb 8, 2024
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Feb 8, 2024
Rollup merge of rust-lang#120727 - Nadrieril:tweak-int-reporting, r=compiler-errors

exhaustiveness: Prefer "`0..MAX` not covered" to "`_` not covered"

There was an exception when reporting integer ranges as missing, it's been there for as long as I can remember. This PR removes it. I think it's nicer to report "`0..MAX` not covered" than "`_` not covered". This also makes it consistent with enums, where we report individual enum variants in this case (as showcased in the rest of the `empty-match.rs` test).

r? ``@estebank``
@Nadrieril Nadrieril deleted the tweak-int-reporting branch February 8, 2024 14:22
flip1995 pushed a commit to flip1995/rust that referenced this pull request Feb 26, 2024
…iaskrgr

Rollup of 9 pull requests

Successful merges:

 - rust-lang#119592 (resolve: Unload speculatively resolved crates before freezing cstore)
 - rust-lang#120103 (Make it so that async-fn-in-trait is compatible with a concrete future in implementation)
 - rust-lang#120206 (hir: Make sure all `HirId`s have corresponding HIR `Node`s)
 - rust-lang#120214 (match lowering: consistently lower bindings deepest-first)
 - rust-lang#120688 (GVN: also turn moves into copies with projections)
 - rust-lang#120702 (docs: also check the inline stmt during redundant link check)
 - rust-lang#120727 (exhaustiveness: Prefer "`0..MAX` not covered" to "`_` not covered")
 - rust-lang#120734 (Add `SubdiagnosticMessageOp` as a trait alias.)
 - rust-lang#120739 (improve pretty printing for associated items in trait objects)

r? `@ghost`
`@rustbot` modify labels: rollup
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5 participants