@hackage streaming-concurrency0.3.1.3

There are two primary higher-level use-cases for this library:

1. Merge multiple Streams together.

2. A conceptual Stream-based equivalent to parMap (albeit utilising concurrency rather than true parallelism).

However, low-level functions are also exposed so you can construct your own methods of concurrently using Streams (and there are also non-Stream-specific functions if you wish to use it with other data types).