#![feature(fmt_internals)]
#![feature(from_ref)]
#![feature(fundamental)]
-#![feature(fused)]
#![feature(generic_param_attrs)]
#![feature(i128_type)]
#![feature(inclusive_range)]
#![feature(allocator_internals)]
#![feature(on_unimplemented)]
#![feature(exact_chunks)]
+#![feature(pointer_methods)]
-#![cfg_attr(not(test), feature(fused, fn_traits, placement_new_protocol, swap_with_slice, i128))]
+#![cfg_attr(not(test), feature(fn_traits, placement_new_protocol, swap_with_slice, i128))]
#![cfg_attr(test, feature(test, box_heap))]
// Allow testing this library