Introduces MangoChill and describes implementation details.

Clippy lint that identifies wrong uses of intra-task concurrency and prevents cases of FutureLock.

Implementing chunk-by-chunk downloads with a rare-first piece selection algorithm, handling exceptions gracefully, and writing data to disk.

Using free monads to abstract protocol logic from I/O, defining a PeerMonad with composable operations, and building testable evaluators.

Implementing Bencode parsing with Attoparsec, building lenses to query torrent metainfo, and defining the Peer Wire Protocol binary format.