fun <A, K> Observable<A>.recordAsAssociation(toKey: (A) -> K, merge: (K, oldValue: A, newValue: A) -> A = { _key, _oldValue, newValue -> newValue }): ObservableMap<K, A>
This variant simply associates each event with its key.
toKey
- Function retrieving the key to associate with.
merge
- The function to be called if there is an existing element at the key.