Why would you write x = x >>> 0?
According to mozilla a >>> b:
Shifts a in binary representation b bits to the right, discarding bits shifted off, and shifting in zeros from the left.
and shifting by 0 bits doesn't seem that useful.
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Thorben Croisé
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[Look at this](http://stackoverflow.com/questions/3081987/what-good-does-zero-fill-bit-shifting-by-0-do-a-0) – Deepak Ingole Sep 20 '13 at 09:00
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[Here is your complete answer . Check this][1] [1]: http://stackoverflow.com/questions/3081987/what-good-does-zero-fill-bit-shifting-by-0-do-a-0 – Ashisha Nautiyal Sep 20 '13 at 09:02