compiler/rustc_attr_data_structures/src/lints.rs


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use rustc_macros::HashStable_Generic;
use rustc_span::Span;

#[derive(Clone, Debug, HashStable_Generic)]
pub struct AttributeLint<Id> {
    pub id: Id,
    pub span: Span,
    pub kind: AttributeLintKind,
}

#[derive(Clone, Debug, HashStable_Generic)]
pub enum AttributeLintKind {
    UnusedDuplicate { this: Span, other: Span, warning: bool },
    IllFormedAttributeInput { suggestions: Vec<String> },
    EmptyAttribute { first_span: Span },
}