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Suggest #[feature(min_specialization)] instead of #[feature(specialization)] when user attempts to use it #77913

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Suggest #[feature(min_specialization)] instead of #[feature(specialization)] when user attempts to use it#77913
#77925

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@nagisa

nagisa
openedon Oct 13, 2020

Right now we're suggesting something that will then immediately raise incomplete_features lint. In majority of use-cases min_specialization will likely work just as well, so we should probably suggest that as a first option first.

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    A-diagnosticsArea: Messages for errors, warnings, and lintsA-specializationArea: Trait impl specializationA-suggestion-diagnosticsArea: Suggestions generated by the compiler applied by `cargo fix`C-enhancementCategory: An issue proposing an enhancement or a PR with one.D-papercutDiagnostics: An error or lint that needs small tweaks.T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.

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