kv.rs

    // ==== CURRENT ====
    // insert
    mystore.insert(&key1, MSG2);
    // insert async
    let in_handle = mystore.insert_async(&key1, MSG2)?;
    store.pending_insert_wait(in_handle);
    // (in-review) buildable insert
    store.build_insert(&key1, MSG1)
        .mode(InsertMode::Add)
        .time_to_live(std::time::Duration::from_secs(5))
        .metadata("mymetadata")
        .if_generation_match(1234)
        .execute();
    // (todo) buildable insert async
    let in_handle = store.build_insert(&key1, MSG1)
        .mode(InsertMode::Add)
        .time_to_live(std::time::Duration::from_secs(5))
        .metadata("mymetadata")
        .if_generation_match(1234)
        .execute_async();
    store.pending_insert_wait(in_handle);

    // ==== ALTERNATIVE ====
    // buildable without options
    mystore.insert(&key1, MSG2).execute();
    // async buildable without options
    let in_handle = mystore.insert(&key1, MSG2).execute_async()?;
    store.pending_insert_wait(in_handle);
    // buildable with options
    store.insert(&key1, MSG1)
        .mode(InsertMode::Add)
        .time_to_live(std::time::Duration::from_secs(5))
        .metadata("mymetadata")
        .if_generation_match(1234)
        .execute();
    // async buildable with options
    let in_handle = store.build_insert(&key1, MSG1)
        .mode(InsertMode::Add)
        .time_to_live(std::time::Duration::from_secs(5))
        .metadata("mymetadata")
        .if_generation_match(1234)
        .execute_async();
    store.pending_insert_wait(in_handle);