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scanReverse

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Subhajit Sahu edited this page Feb 2, 2021 · 13 revisions

Gets index of first set bit from MSB. 🏃 📼 📦 🌔 📒

Alternatives: scan, scanReverse.

bit.scanReverse(x);
// x: an int32
const bit = require("extra-bit");

bit.scanReverse(13);
// 13 (1101 => 3)

bit.scanReverse(5);
// 2 (101 => 2)

bit.scanReverse(1);
// 0 (1 => 0)

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