@viktorklang They do have assignment and reassignment. That operation is called flatMap. #flatmapthatshit
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@dibblego@viktorklang@runarorama maybe you have ST/IO refs confused with State monad? surely mutable heap cells are obviously destructive
@acfoltzer @viktorklang @runarorama ST/IO do not have destructive reassignment any more than anything else (i.e. not at all).
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@dibblego@viktorklang@runarorama could you give me a link explaining this? I must have the wrong definitions in mind -
@acfoltzer@viktorklang@runarorama I don't know of any link that makes that specific point. IO/ST receives unwarranted special-casing
End of conversation
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@dibblego@viktorklang@runarorama I agree that destructive update is an unobservable implementation detail in the case of ST, but not IOThanks. Twitter will use this to make your timeline better. UndoUndo
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