Dylan DPC 000e38d9cb Rollup merge of #94175 - Urgau:check-cfg-improvements, r=petrochenkov ... Improve `--check-cfg` implementation This pull-request is a mix of improvements regarding the `--check-cfg` implementation: - Simpler internal representation (usage of `Option` instead of separate bool) - Add --check-cfg to the unstable book (based on the RFC) - Improved diagnostics: * List possible values when the value is unexpected * Suggest if possible a name or value that is similar - Add more tests (well known names, mix of combinations, ...) r? ```@petrochenkov```		2022-02-24 21:42:13 +01:00
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src	Rollup merge of #94175 - Urgau:check-cfg-improvements, r=petrochenkov	2022-02-24 21:42:13 +01:00
Cargo.toml	Migrate to 2021	2021-09-20 22:21:42 -04:00