Created
March 27, 2015 05:59
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CoffeeScript CRC-32
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| crc32 = do -> | |
| table = | |
| for n in [0..255] | |
| for [0..7] | |
| if n & 1 | |
| n = 0xEDB88320 ^ n >>> 1 | |
| else | |
| n >>>= 1 | |
| n | |
| (str, crc = -1) -> | |
| for c in str | |
| crc = crc >>> 8 ^ table[(crc ^ c.charCodeAt 0) & 255] | |
| (crc ^ -1) >>> 0 |
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