Macro const_format::ascii_str

macro_rules! ascii_str {
    ($str:expr $(,)*) => { ... };
}

This is supported on crate feature fmt only.

Constructs an AsciiStr constant from an ascii string,

Compile-time errors

This macro produces a compile-time error by indexing an empty array with the index of the first non-ascii byte.

Example

use const_format::ascii_str;

let fooo = ascii_str!("hello");

assert_eq!(fooo.as_str(), "hello");

// You can pass constants as arguments!
const BAR_S: &str = "world";
let bar = ascii_str!(BAR_S);

assert_eq!(bar.as_str(), "world");

use const_format::ascii_str;

let fooo = ascii_str!("Γειά σου Κόσμε!");