pub fn check(tcx: TyCtxt<'_>) {
let mut unsafety = UnsafetyChecker { tcx };
tcx.hir().krate().visit_all_item_likes(&mut unsafety);
pub fn check(tcx: TyCtxt<'_>) {
let mut unsafety = UnsafetyChecker { tcx };
tcx.hir().krate().visit_all_item_likes(&mut unsafety);