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Ergonomic ref counting#134797

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bors merged 25 commits intorust-lang:masterrust-lang/rust:masterfrom spastorino:ergonomic-ref-counting-1spastorino/rust:ergonomic-ref-counting-1Copy head branch name to clipboardMar 7, 2025

+1,401-79

Commits

Commits on Mar 6, 2025

• Add ergonomic_clones feature flag

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• Implement .use keyword as an alias of clone

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• Use closure parse code

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• Generate the right MIR for by use closures

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• Add UseCloned trait related code

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• Fix clippy

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• Fix rustfmt

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• Separate closures, async and dotuse tests in directories

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• Support nested use closures

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• Add tests

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• Fix use closure parsing error message

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• Allow to mutate use captures

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• Fail gracefully if mutating on a use closure and the closure it not declared mut

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• Add more tests

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• Add a code example as comment in init_capture_kind_for_place

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• Account for UseCloned on expr_use_visitor

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• Change feature flag error to be ergonomic clones are experimental

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• Give a better error message on async use in edition 2015

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• Parse and allow const use closures

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• Make captures in ByUse context be always ty::UpvarCapture::ByUse

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• Add examples in stdlib demonstrating the use syntax

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• Add some code comments

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• Add allow(incomplete_features) to alloc

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• Make feature flag incomplete

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Commits on Mar 7, 2025

• Add slight variation to feature-gate ergonomic clones test

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