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						- /**
 -  * Checks if `value` is `undefined`.
 -  *
 -  * @static
 -  * @since 0.1.0
 -  * @memberOf _
 -  * @category Lang
 -  * @param {*} value The value to check.
 -  * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
 -  * @example
 -  *
 -  * _.isUndefined(void 0);
 -  * // => true
 -  *
 -  * _.isUndefined(null);
 -  * // => false
 -  */
 - function isUndefined(value) {
 -   return value === undefined;
 - }
 - 
 - module.exports = isUndefined;
 
 
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