pub fn fixed_vec_serialize_into<const N: usize, FLS: FixedLengthSerialize<N>>(
buf: &mut [u8],
items: impl IntoIterator<Item = FLS>,
) -> Result<()>pub fn fixed_vec_serialize_into<const N: usize, FLS: FixedLengthSerialize<N>>(
buf: &mut [u8],
items: impl IntoIterator<Item = FLS>,
) -> Result<()>