Struct rustc_builtin_macros::errors::RequiresCfgPattern

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pub(crate) struct RequiresCfgPattern {
    pub(crate) span: Span,
}

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§span: Span

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impl<'_sess, G> Diagnostic<'_sess, G> for RequiresCfgPattern
where G: EmissionGuarantee,

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fn into_diag(self, dcx: DiagCtxtHandle<'_sess>, level: Level) -> Diag<'_sess, G>

Write out as a diagnostic out of DiagCtxt.

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type Output = R

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fn filterable( self, filter_name: &'static str, ) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>

Creates a filterable data provider with the given name for debugging. Read more
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fn instrument(self, span: Span) -> Instrumented<Self>

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Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 8 bytes