const_concat_bytes

byte_strings

Macro const_concat_bytes 

Source 
macro_rules! const_concat_bytes {
    () => { ... };
    (
        $single:expr $(,)?
    ) => { ... };
    (
        $first:expr $(,
        $rest:expr)+ $(,)?
    ) => { ... };
}
Expand description

const-friendly version of concat_bytes!.

#[macro_use]
extern crate byte_strings;

const GREETING: &str = "Hello";
const MESSAGE: &[u8; 13] = const_concat_bytes!(GREETING, ", World!");