WASM Pixel Manipulation

lib.rs

static mut PIXELS: [u8; 128 * 128 * 4] = [0; 128 * 128 * 4];

#[no_mangle]
pub fn update_pixels() {
    // How to remove this unsafe block?
    unsafe {
        PIXELS[0] = 255;
        PIXELS[1] = 255;
        PIXELS[2] = 0;
        PIXELS[3] = 255;
    }
}

#[no_mangle]
pub fn get_pixels() -> &'static [u8; 128 * 128 * 4] {
    unsafe { &PIXELS }
}