Trait rustc_hir_analysis::structured_errors::StructuredDiagnostic

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pub trait StructuredDiagnostic<'tcx> {
    fn session(&self) -> &Session;
    fn code(&self) -> DiagnosticId;
    fn diagnostic_common(&self) -> DiagnosticBuilder<'tcx, ErrorGuaranteed>;

    fn diagnostic(&self) -> DiagnosticBuilder<'tcx, ErrorGuaranteed> { ... }
    fn diagnostic_regular(
        &self,
        err: DiagnosticBuilder<'tcx, ErrorGuaranteed>
    ) -> DiagnosticBuilder<'tcx, ErrorGuaranteed> { ... }
    fn diagnostic_extended(
        &self,
        err: DiagnosticBuilder<'tcx, ErrorGuaranteed>
    ) -> DiagnosticBuilder<'tcx, ErrorGuaranteed> { ... }
}