var _identity = require('./internal/_identity');
var chain = require('./chain');


/**
 * Shorthand for `R.chain(R.identity)`, which removes one level of nesting from
 * any [Chain](https://github.com/fantasyland/fantasy-land#chain).
 *
 * @func
 * @memberOf R
 * @since v0.3.0
 * @category List
 * @sig Chain c => c (c a) -> c a
 * @param {*} list
 * @return {*}
 * @see R.flatten, R.chain
 * @example
 *
 *      R.unnest([1, [2], [[3]]]); //=> [1, 2, [3]]
 *      R.unnest([[1, 2], [3, 4], [5, 6]]); //=> [1, 2, 3, 4, 5, 6]
 */
module.exports = chain(_identity);