Did you look at the code? F# has mutable variables/arrays and this uses that for... | Hacker News

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skrebbel 78 days ago | parent | context | favorite | on: I built a Game Boy emulator in F#

Did you look at the code? F# has mutable variables/arrays and this uses that for eg memory.

yoyohello13 78 days ago [–]

Yeah I did see that part. Although he mentioned his Chip8 emulator which was fully immutable. Still interesting so see when people use the mutability escape hatches.

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