Knuth, predicting "a monad is a monoid in the category of endofunctors":pic.twitter.com/yGL0Iul2DQ
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But, manipulating global state is how your computer actually works. Pretending that that is inherently bad will only lead you to a sad place. At the same time, yes, unnecessary global state makes things confusing. But the right amount of global state is a good idea.
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Pretending that you can magically solve your problem, without the right amount of global state manipulation, is basically the same thing as obfuscation.
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But how much global state is good? I mean, you let some global state in, and before you know it, it starts taking over your whole life. It keeps making demands, asking for special treatment, setting up rules. I don't know--maybe the sad place is all we have.
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Unless all we’re discussing is mutable vs immutable global state, seems to me that the scope of the state should be determined by the scope of needs your program has on that state?
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