#![feature(alloc_layout_extra)]
#![feature(assert_matches)]
#![feature(box_syntax)]
+#![feature(btree_drain_filter)]
#![feature(cow_is_borrowed)]
#![feature(const_box)]
#![feature(const_convert)]
#![feature(core_intrinsics)]
#![feature(drain_filter)]
#![feature(exact_size_is_empty)]
+#![feature(linked_list_cursors)]
+#![feature(map_try_insert)]
#![feature(new_uninit)]
#![feature(pattern)]
#![feature(trusted_len)]
#![feature(slice_group_by)]
#![feature(slice_partition_dedup)]
#![feature(string_remove_matches)]
-#![feature(const_btree_new)]
+#![feature(const_btree_len)]
#![feature(const_default_impls)]
#![feature(const_trait_impl)]
#![feature(const_str_from_utf8)]
#![feature(pointer_is_aligned)]
#![feature(slice_flatten)]
#![feature(thin_box)]
-#![feature(bench_black_box)]
#![feature(strict_provenance)]
#![feature(once_cell)]
#![feature(drain_keep_rest)]
use std::hash::{Hash, Hasher};
mod arc;
+mod autotraits;
mod borrow;
mod boxed;
mod btree_set_hash;