qbcps_flutter library Null safety

Support for doing something awesome.

More dartdocs go here.


AccumulatorStream<E, D>
This is a stream that accepts a list of futures and accumulates all their results. When all the futures have completed, the accumulated results are emitted as a single event (the list of results) and then a done event is emitted.
A list of elements which can be endlessly iterated.
A NotificationManager implementation that returns a fixed string for the device token. Intended for use in tests only.
MapDB<K, V>
An in-memory database, backed by a Map.
An interface to get the token used by Firebase Cloud Messaging to identify a particular device.


ConversionCallback<R, T> = R Function(T arg)