Macro take_right 

macro_rules! take_right {
    ($bytes:expr, $n:expr) => { ... };
}

Returns a string/binary without the last N characters/bytes

Usage

use we_cdk::*;

#[action]
fn _constructor() {
    let result: Binary = take_right!(&[0, 1, 2, 3, 4, 5], 1);
}