#![feature(plugin)] #![plugin(cluConcatBytes)] fn main() { let c_str = concat_bytes!("cluWorld"); //&'static [u8] //array: [99, 108, 117, 87, 111, 114, 108, 100], len: 8 assert_eq!(c_str, b"cluWorld"); let c_str2 = concat_bytes!("clu", b"World"); //&'static [u8] //array: [99, 108, 117, 87, 111, 114, 108, 100], len: 8 assert_eq!(c_str2, b"cluWorld"); let c_str3 = concat_bytes!( b'c', b'l', b'u', b'W', b'o', b'r', b'l', b'd' ); //&'static [u8] //array: [99, 108, 117, 87, 111, 114, 108, 100], len: 8 assert_eq!(c_str3, b"cluWorld"); let c_str4 = concat_bytes!( "clu", b'W', b'o', b'r', b'l', b"d" ); //&'static [u8] //array: [99, 108, 117, 87, 111, 114, 108, 100], len: 8 assert_eq!(c_str4, b"cluWorld"); my_function(c_str); my_function(c_str2); my_function(c_str3); my_function(c_str4); } fn my_function(array: &'static [u8]) { //'static --> it is possible not to write. println!("array: {:?}, len: {}", array, array.len()); }