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John Carmack on mutable variables

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498 points azhenley | 1 comments | 31 Oct 25 02:34 UTC | HN request time: 0.212s | source
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y0ned4 ◴[31 Oct 25 09:22 UTC] No.45769960[source]▶
When I started programming in Haskell, where all variables are immutable, I felt like I was in a straitjacket

Then, suddenly, the enlightenment

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1. chuckadams ◴[31 Oct 25 13:39 UTC] No.45771863[source]▶
The lovely thing with Haskell is you have the ST monad that lets you have as many mutable variables as you want, as long as they stay within ST.