Created
March 3, 2018 22:43
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| function gameOfLifeIterator(b) { | |
| const a = (x, y) => b[x] && b[x][y] | |
| return b.map((r, x) => | |
| r.map((_, y) => { | |
| let n = 0 | |
| if (a(x - 1, y - 1)) n++ | |
| if (a(x - 1, y)) n++ | |
| if (a(x - 1, y + 1)) n++ | |
| if (a(x, y - 1)) n++ | |
| if (a(x, y + 1)) n++ | |
| if (a(x + 1, y - 1)) n++ | |
| if (a(x + 1, y)) n++ | |
| if (a(x + 1, y + 1)) n++ | |
| return (a(x, y) ? n > 1 && n < 4 : n === 3) ? 1 : 0 | |
| })) | |
| } |
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