Functional programming has been entering the mainstream piece by piece for decades.

Source: https://developers.slashdot.org/story/23/03/19/0019234/programming-pioneer-grady-booch-on-functional-programming-web3-and-conscious-machines?utm_source=rss1.0mainlinkanon&utm_medium=feed

To understand how a watch works, one might take it apart, piece by piece, and study the role played by each component in its timekeeping function.

Source: https://phys.org/news/2023-12-gpcr-reveals-molecular-function-key.html

"We are doing it in stages because we've got a full service and you can't do it in the middle of service so you've just got to do it piece by piece."

Source: https://www.centralwesterndaily.com.au/story/8387368/mind-your-business-factory-renos-and-new-catering-service/?src=rss