#![allow(unused)]
#[cfg(feature = "std")]
extern crate std;
#[cfg(not(feature = "std"))]
extern crate alloc;
#[cfg(feature = "std")]
use std as alloc;
pub use alloc::{
borrow::ToOwned,
boxed::Box,
format,
ops::Range,
rc::Rc,
string::{String, ToString},
vec,
vec::Vec,
};
pub use core::{fmt, result::Result};