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leodutra/fill-bits-from-right.js

Last active December 21, 2015 15:37
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Fast fill bits from right - JavaScript bitwise function
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fill-bits-from-right.js
function fillBitsFromRight(n) { // http://jsperf.com/fill-bits-bitwise-vs-alternatives
return ~(-1 << n); // ~(~0 << n)
}
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