Constant rustdoc::html::render::CACHE_KEY[]

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