/**
* Gets the first element of `array`.
*
* @since 0.1.0
* @alias first
* @category Array
* @param {Array} array The array to query.
* @returns {*} Returns the first element of `array`.
* @see last
* @example
*
* head([1, 2, 3])
* // => 1
*
* head([])
* // => undefined
*/
function head(array) {
return (array != null && array.length)
? array[0]
: undefined
}
export default head