fn approx_size_of_one_entry() -> usize {
        std::mem::size_of::<T>()
            + std::mem::size_of::<Pubkey>()
            + std::mem::size_of::<AccountMapEntry<T>>()
    }
/// assumes 1 entry in the slot list. Ignores overhead of the HashMap and such
assumes 1 entry in the slot list. Ignores overhead of the HashMap and such
assumes 1 entry in the slot list . Ignores overhead of the HashMap and such
fn approx_size_of_one_entry() -> usize {
        std::mem::size_of::<T>()
            + std::mem::size_of::<Pubkey>()
            + std::mem::size_of::<AccountMapEntry<T>>()
    }
fn approx_size_of_one_entry ( ) -> usize { std :: mem :: size_of :: < T > ( ) + std :: mem :: size_of :: < Pubkey > ( ) + std :: mem :: size_of :: < AccountMapEntry < T > > ( ) }
assumes 1 entry in the slot list.
assumes 1 entry in the slot list .