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A comment on How do I modify a variable in Haskell?. Parent comment

Re:How do I modify a variable in Haskell? by tome on Tuesday August 15, 2017 @09:56AM (#15018176)
> What's wrong with something like "set arr idx newvalue"?

Nothing. See here: https://news.ycombinator.com/item?id=15017853

It's called "writeArray".

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