@extra-array/scan-while-right/index.js

Scans from right, while a test passes.

'use strict';
function scanWhileRight(x, ft) {
    for (var i = x.length - 1; i >= 0; i--)
        if (!ft(x[i], i, x))
            break;
    return i + 1;
}
module.exports = scanWhileRight;