1 #![cfg(feature="spin_no_std")] 2 3 #![no_std] 4 5 #[macro_use] 6 extern crate lazy_static; 7 8 lazy_static! { 9 /// Documentation! 10 pub static ref NUMBER: u32 = times_two(3); 11 } 12 times_two(n: u32) -> u3213fn times_two(n: u32) -> u32 { 14 n * 2 15 } 16 17 #[test] test_basic()18fn test_basic() { 19 assert_eq!(*NUMBER, 6); 20 } 21