#![feature(crate_visibility_modifier)]
#![feature(const_fn)] // For the unsizing cast on `&[]`
#![feature(const_panic)]
#![feature(in_band_lifetimes)]
#![feature(crate_visibility_modifier)]
#![feature(const_fn)] // For the unsizing cast on `&[]`
#![feature(const_panic)]
#![feature(in_band_lifetimes)]