//#region src/array/head.ts
/**
* Returns the first element of an array or `undefined` if the array is empty.
*
* This function takes an array and returns the first element of the array.
* If the array is empty, the function returns `undefined`.
*
* @template T - The type of elements in the array.
* @param {T[]} arr - The array from which to get the first element.
* @returns {T | undefined} The first element of the array, or `undefined` if the array is empty.
*
* @example
* const emptyArr: number[] = [];
* const noElement = head(emptyArr);
* // noElement will be undefined
*/
function head(arr) {
	return arr[0];
}
//#endregion
exports.head = head;
