pub struct Align<const ALIGNMENT: usize>( <Self as Aligned>::Alignment ) where Self: Aligned;
pub trait Aligned { type Alignment; }

impl <const ALIGNMENT: usize> Align<ALIGNMENT> where Self: Aligned {
    pub const fn new() -> Self { unsafe { core::mem::zeroed() } }
}

unsafe impl <const ALIGNMENT: usize> crate::data::Zeroed for Align<ALIGNMENT> where Self: Aligned {}

impl <const ALIGNMENT: usize> Default for Align<ALIGNMENT> where Self: Aligned {
    fn default() -> Self { Self::new() }
}

macro_rules! gen_alignment {
    ($($alignment:literal),+) => {
        $(
            const _: () = {
                #[repr(align($alignment))] pub struct Anon;
                impl Aligned for Align<$alignment> {
                    type Alignment = Anon;
                }
                assert!(align_of::<Align<$alignment>>() == $alignment)
            };
        )+
    };
}

gen_alignment!(
    1, 2, 4, 8, 16, 32, 64, 128, 256, 512,
    1024, 2048, 4096, 8192, 16384, 32768,
    65536, 131072, 262144, 524288, 1048576,
    2097152, 4194304, 8388608, 16777216,
    33554432, 67108864, 134217728, 268435456,
    536870912);