Created
April 16, 2019 17:26
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| function countUnique(iterable) { | |
| if (iterable.length < 1) | |
| return 0 | |
| let i = 0 | |
| let j = 1 | |
| let count = 1 | |
| for (; j < iterable.length; j++) { | |
| if (iterable[i] !== iterable[j]) { | |
| count++ | |
| i = j | |
| } | |
| } | |
| return count | |
| } |
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