Created
November 20, 2018 20:16
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| const isEven = x=> { | |
| switch (x) { | |
| // base cases | |
| case 0: return true; | |
| case 1: return false | |
| // subtracts 2 off of x until it hits 0 or 1 | |
| default: return isEven(x - 2) | |
| } | |
| } | |
| isEven(100) // true | |
| isEven(99) // false |
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