3 ms·
That looks like a butchered version of life ← {⊃1 ⍵ ∨.∧ 3 4 = +/ +⌿ ¯1 0 1 ∘.⊖ ¯1 0 1 ⌽¨ ⊂⍵} as shown at https://aplwiki.com/wiki/Conway%27s_Game_of_Lif
by tromp 4y ago
That looks like a butchered version of
life ← {⊃1 ⍵ ∨.∧ 3 4 = +/ +⌿ ¯1 0 1 ∘.⊖ ¯1 0 1 ⌽¨ ⊂⍵}
as shown at https://aplwiki.com/wiki/Conway%27s_Game_of_Life https://aplwiki.com/wiki/Conway%27s_Game_of_Life