Function pancake_engine_serial::lsm::merging::merge_memlog_and_sstables

pub fn merge_memlog_and_sstables<'a, K, V, Q>(
    memlog: &'a WritableMemLog<K, V>,
    sstables: &'a [SSTable<K, V>],
    k_lo: Option<&'a Q>,
    k_hi: Option<&'a Q>
) -> impl 'a + Iterator<Item = Entry<'a, K, V>>
where
    K: Deser + Ord + PartialOrd<Q>,
    V: Deser,

@arg sstables: From older to newer. (The opposite of the convention in [pancake_engine_common::merging].)