Goals: Add links that are reasonable and good explanations of how stuff works. No hype and no vendor content if possible. Practical first-hand accounts of models in prod eagerly sought.

//! [Indicatif](https://github.com/mitsuhiko/indicatif) is a wonderful progress | |
//! bar for terminal applications. It already works in a multi-threaded | |
//! environment. The [`indicatif::ProgressIterator::progress_with()`] | |
//! combinator conveniently attaches a progress bar to an existing iterator. | |
//! | |
//! This module provides [`ProgressStream::progress_with()`] for attaching a | |
//! progress bar to a [`futures::stream::Stream`]. | |
//! | |
//! Note that the unit tests in this module use [tokio](https://tokio.rs) for | |
//! a testing runtime, but the rest of the code does not depend on tokio. You |