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#![feature(rustc_private)]
extern crate rustc_errors;
extern crate rustc_hir;
extern crate rustc_lint;
extern crate rustc_middle;
use rustc_errors::{DiagnosticMessage, MultiSpan};
use rustc_hir::hir_id::HirId;
use rustc_lint::{Lint, LintContext};
use rustc_middle::ty::TyCtxt;
pub fn a(cx: impl LintContext, lint: &'static Lint, span: impl Into<MultiSpan>, msg: impl Into<DiagnosticMessage>) {
cx.struct_span_lint(lint, span, msg, |b| b);
}
pub fn b(
tcx: TyCtxt<'_>,
lint: &'static Lint,
hir_id: HirId,
span: impl Into<MultiSpan>,
msg: impl Into<DiagnosticMessage>,
) {
tcx.struct_span_lint_hir(lint, hir_id, span, msg, |b| b);
}
fn main() {}
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