Constant rustdoc::clean::MAX_DEF_ID[]

const MAX_DEF_ID: LocalKey<RefCell<FxHashMap<CrateNum, DefId>>> = {
    #[inline]
    fn __init() -> RefCell<FxHashMap<CrateNum, DefId>> { loop  { } }
    unsafe fn __getit()
     ->
         ::option::Option<&'static ::cell::UnsafeCell<::option::Option<RefCell<FxHashMap<CrateNum,
                                                                                         DefId>>>>> {
                                                                                                        loop 
                                                                                                             {
                                                                                                        }
                                                                                                    }
    unsafe { <::thread::LocalKey>::new(__getit, __init) }
}