use rustc_span::symbol::sym;
fn proc_macro_decls_static(tcx: TyCtxt<'_>, (): ()) -> Option<LocalDefId> {
- let mut finder = Finder { tcx, decls: None };
+ let mut decls = None;
for id in tcx.hir().items() {
- let attrs = finder.tcx.hir().attrs(id.hir_id());
- if finder.tcx.sess.contains_name(attrs, sym::rustc_proc_macro_decls) {
- finder.decls = Some(id.owner_id.def_id);
+ let attrs = tcx.hir().attrs(id.hir_id());
+ if tcx.sess.contains_name(attrs, sym::rustc_proc_macro_decls) {
+ decls = Some(id.owner_id.def_id);
}
}
- finder.decls
-}
-
-struct Finder<'tcx> {
- tcx: TyCtxt<'tcx>,
- decls: Option<LocalDefId>,
+ decls
}
pub(crate) fn provide(providers: &mut Providers) {