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#![cfg_attr(not(feature = "std"), no_std)] #![feature(alloc_prelude)] #[cfg(feature = "std")] extern crate std; #[cfg(feature = "std")] use std::prelude::v1 as alloc_prelude; #[cfg(not(feature = "std"))] extern crate alloc; #[cfg(not(feature = "std"))] use alloc::prelude::v1 as alloc_prelude; #[cfg(test)] mod tests { #[test] fn it_works() { assert_eq!(2 * 2, 4); } }