The Array Cast cover image

Fold and Other Functional Conjunctions

The Array Cast

CHAPTER

The Importance of Looping in J

The primitive is not needed well one of the things that occurred to me when I was using it is I feel in some ways the same way that that reduce and scan got separated in in J as opposed to APL where there's single single glyph. When you break it into two parts it gives you a little power you can actually put things between those two adverbs and do something in between you can but folders are doing no one will understand that.

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