Message from JavaScript discussions

March 2018

— You said it “implies side effects” which it does not, you have an idea that it is not possible to implement functional purity in that context, and I don’t know why this is

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I have seen many successful implementations using environment monads for instance, which exist just fine in a block without a return

— Show me a pure functional use case of for..of without return or yield in the loop body

— Maybe sometime I will

— Hah

— Until you do I'll keep having misconceptions

— I would if I wasn’t half asleep on my phone, kind of feel like you don’t want to find this yourself

— Or well, make it rather, as it isn’t that difficult with the right infrastructure in place

— I can't imagine it

— I can't conceive of a possible scenario where it would be pure and at the same time not useless

— Well that’s pretty interesting to me and makes me curious about it

— Almost makes me wonder if my own definition of functional purity is different somehow