| 12345678910111213141516171819 | 'use strict';var numberIsNaN = function (value) {	return value !== value;};module.exports = function is(a, b) {	if (a === 0 && b === 0) {		return 1 / a === 1 / b;	}	if (a === b) {		return true;	}	if (numberIsNaN(a) && numberIsNaN(b)) {		return true;	}	return false;};
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