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November 11, 2016 22:51
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Damn good JS implementation of Python's `range`, using ES6 Generator.
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| let range = function * (start = 0, end = null, step = 1) { | |
| if (end === null) { | |
| end = start | |
| start = 0 | |
| } | |
| let value = start | |
| while (value < end || end < value) { | |
| yield value | |
| value += step | |
| } | |
| } |
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Based on several partly-working ideas from SO
http://stackoverflow.com/questions/8273047/javascript-function-similar-to-python-range
http://stackoverflow.com/questions/3895478/does-javascript-have-a-method-like-range-to-generate-an-array-based-on-suppl