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2min chapter
Fold and Other Functional Conjunctions
The Array Cast
How to Reduce Fold in J
reduce fold works the same way if you do all your operations into that between it would still work the same way yeah in j if the the intermediate state is almost always be uh rewritable you know unplaceable so there you know the chess board we were talking about probably not. If you had something wasn't boxed hit an unboxed array it would it would it could be modified in place over and over again and never reallocated because i was gonna say like if that's well this this may we know what i'm doing this afternoon then it's gonna go test this stuff.
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