Zero array with generics

zero_array_of.rs

#![feature(const_generics)]
#![feature(const_evaluatable_checked)]

use std::mem::size_of;

pub fn zero_array_of<T>() -> [u8; size_of::<T>()] {
    [0u8; { size_of::<T>() }]
}

#[cfg(test)]
mod tests {
    #[test]
    fn test_zero_array_of() {
        let arr = zero_array_of::<usize>();
        let expected = [0, 0, 0, 0, 0, 0, 0, 0];
        assert_eq!(expected, arr);
    }
}