How can pure functions represent state change?

Pure functions have no effect besides returning an immutable value. If that’s true, then how can we use them to represent changing state?

Show Notes

For audio, video, and text transcripts: https://lispcast.com/how-can-pure-functions-represent-state-change/

What is The Eric Normand Podcast?

An off-the-cuff stream of Functional Programming ideas, skills, patterns, and news from Functional Programming expert Eric Normand of LispCast. Formerly known as Thoughts on Functional Programming.