I’ve been playing with various languages / language design a lot recently (inspired by my Runelang series). As I tweak and change what I’d like to implement in a language… I kept finding myself coming back to more or less exactly how Rust looks (albeit without the borrowing). So… that seems like a pretty good reason to start picking up some Rust. In another thread of thought, I stumbled upon two OEIS (on-line encyclopedia of integer sequences) sequences: A087061: Array T(n,k) = lunar sum n+k (n >= 0, k >= 0) read by antidiagonals and A087062: Array T(n,k) = lunar product n*k (n >= 1, k >= 1) read by antidiagonals.

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