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var baseNth = require('./_baseNth'),
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    baseRest = require('./_baseRest'),
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    toInteger = require('./toInteger');
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/**
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 * Creates a function that gets the argument at index `n`. If `n` is negative,
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 * the nth argument from the end is returned.
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 *
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 * @static
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 * @memberOf _
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 * @since 4.0.0
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 * @category Util
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 * @param {number} [n=0] The index of the argument to return.
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 * @returns {Function} Returns the new pass-thru function.
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 * @example
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 *
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 * var func = _.nthArg(1);
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 * func('a', 'b', 'c', 'd');
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 * // => 'b'
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 *
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 * var func = _.nthArg(-2);
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 * func('a', 'b', 'c', 'd');
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 * // => 'c'
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 */
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function nthArg(n) {
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  n = toInteger(n);
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  return baseRest(function(args) {
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    return baseNth(args, n);
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  });
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}
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module.exports = nthArg;
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