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!");