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| function moveAsCoord(move, head) { | |
| switch (move) { | |
| case 'up': | |
| return {x: head.x, y: head.y-1}; | |
| case 'down': | |
| return {x: head.x, y: head.y+1}; | |
| case 'left': | |
| return {x: head.x-1, y: head.y}; | |
| case 'right': | |
| return {x: head.x+1, y: head.y}; | |
| } | |
| } |
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