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Re: master 0cbcc62: 'assoc' is not side-effect-free; constprop its pure


From: Mattias Engdegård
Subject: Re: master 0cbcc62: 'assoc' is not side-effect-free; constprop its pure subset
Date: Sun, 1 Nov 2020 10:39:33 +0100

31 okt. 2020 kl. 16.06 skrev Stefan Monnier <monnier@iro.umontreal.ca>:

> Oh, indeed: nasty.  `assoc` *was* side-effect-free until it grew its new
> `testfn` argument.

We do have a number of functions that are pure or side-effect-free unless given 
certain arguments. I suppose we could design a system that encompasses these 
cases. Certainly wouldn't mind algebraic effect types!




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