> I'm not 100% clear on the entire history, but I think it goes something like: You can see my talk "A History of Effect Systems" for a synopsys of the history

> I'm not 100% clear on the entire history, but I think it goes something like: You can see my talk "A History of Effect Systems" for a synopsys of the history. I gave it at Zurihac this year. It's very close to the history you gave (though I think point 1 is not right: Haskell always had a way to do IO) https://www.youtube.com/watch?v=RsTuy1jXQ6Y https://www.youtube.com/watch?v=RsTuy1jXQ6Y