HORIZON PROJECT

var baseNth = require('./_baseNth'),

    baseRest = require('./_baseRest'),

    toInteger = require('./toInteger');

/**

 * Creates a function that gets the argument at index `n`. If `n` is negative,

 * the nth argument from the end is returned.

 *

 * @static

 * @memberOf _

 * @since 4.0.0

 * @category Util

 * @param {number} [n=0] The index of the argument to return.

 * @returns {Function} Returns the new pass-thru function.

 * @example

 *

 * var func = _.nthArg(1);

 * func('a', 'b', 'c', 'd');

 * // => 'b'

 *

 * var func = _.nthArg(-2);

 * func('a', 'b', 'c', 'd');

 * // => 'c'

 */

function nthArg(n) {

  n = toInteger(n);

  return baseRest(function(args) {

    return baseNth(args, n);

  });

}

module.exports = nthArg;