#![feature(allocator_internals)]
#![feature(allow_internal_unsafe)]
#![feature(allow_internal_unstable)]
-#![feature(associated_type_bounds)]
#![feature(box_syntax)]
#![feature(c_unwind)]
#![feature(cfg_target_thread_local)]
impl<T, I> Index<I> for UserRef<[T]>
where
[T]: UserSafe,
- I: SliceIndex<[T], Output: UserSafe>,
+ I: SliceIndex<[T]>,
+ I::Output: UserSafe,
{
type Output = UserRef<I::Output>;
impl<T, I> IndexMut<I> for UserRef<[T]>
where
[T]: UserSafe,
- I: SliceIndex<[T], Output: UserSafe>,
+ I: SliceIndex<[T]>,
+ I::Output: UserSafe,
{
#[inline]
fn index_mut(&mut self, index: I) -> &mut UserRef<I::Output> {