/**
* A function that determines whether the passed value is not a number. (NaN)
*
* @memberof module:Assertion
* @param {*} value The value to check.
* @return {Boolean} `true` if the value is `NaN`, otherwise `false`.
* @since 0.1.0
* @example
* is_nan(1 / 'a'); // => true
* is_nan('a'); // => false
*/
function is_nan(value) {
return value !== value;
}
module.exports = is_nan;