randline: get a random selection of lines in a file using reservoir sampling

Some practical examples of how this handy crate lets me write clear, readable tests.

I use notes as a mini-changelog to track the context and history of my online accounts. I write down why I created accounts, made changes, or chose particular settings.

Fires and fighters, heroes and horrors, suicide and surgery – what I enjoyed reading this year.

I used TweetDeleter to delete about 35,000 tweets, and cut my remaining ties to the site formerly known as Twitter.

Splitting my work into "articles" and "today I learned" helped me overcome writer's block and improve my work.