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Suggest introduction of new type argument #64298

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#68447
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Suggest introduction of new type argument#64298
#68447
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A-diagnosticsArea: Messages for errors, warnings, and lintsA-suggestion-diagnosticsArea: Suggestions generated by the compiler applied by `cargo fix`C-enhancementCategory: An issue proposing an enhancement or a PR with one.D-newcomer-roadblockDiagnostics: Confusing error or lint; hard to understand for new users.D-papercutDiagnostics: An error or lint that needs small tweaks.P-lowLow priorityT-compilerRelevant to the compiler team, which will review and decide on the PR/issue.
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@estebank
estebank
opened on Sep 8, 2019

When writing impl Trait<T> for X {} We correctly complain about T not being in scope. We should also suggest introducing a new type argument in the correct place.

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    A-diagnosticsArea: Messages for errors, warnings, and lintsA-suggestion-diagnosticsArea: Suggestions generated by the compiler applied by `cargo fix`C-enhancementCategory: An issue proposing an enhancement or a PR with one.D-newcomer-roadblockDiagnostics: Confusing error or lint; hard to understand for new users.D-papercutDiagnostics: An error or lint that needs small tweaks.P-lowLow priorityT-compilerRelevant to the compiler team, which will review and decide on the PR/issue.

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