use rustc_attr_data_structures::lints::{AttributeLint, AttributeLintKind}; use rustc_errors::LintEmitter; use rustc_hir::HirId; use crate::session_diagnostics; pub fn emit_attribute_lint(lint: &AttributeLint, lint_emitter: L) { let AttributeLint { id, span, kind } = lint; match kind { &AttributeLintKind::UnusedDuplicate { this, other, warning } => lint_emitter .emit_node_span_lint( rustc_session::lint::builtin::UNUSED_ATTRIBUTES, *id, *span, session_diagnostics::UnusedDuplicate { this, other, warning }, ), } }