#![feature(flt2dec)]
#![feature(fmt_internals)]
#![feature(hashmap_internals)]
+#![feature(try_find)]
#![feature(is_sorted)]
#![feature(iter_once_with)]
#![feature(pattern)]
#![feature(slice_internals)]
#![feature(slice_partition_dedup)]
#![feature(int_error_matching)]
-#![feature(const_fn)]
#![feature(array_value_iter)]
#![feature(iter_partition_in_place)]
#![feature(iter_is_partitioned)]