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// https://tc39.github.io/ecma262/#sec-toindex
var toInteger = require('./_to-integer');
var toLength = require('./_to-length');
module.exports = function (it) {
if (it === undefined) return 0;
var number = toInteger(it);
var length = toLength(number);
if (number !== length) throw RangeError('Wrong length!');
return length;
};
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