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x/ramda/source/mergeWith.js

:ram: Practical functional Javascript
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import _curry3 from './internal/_curry3.js';import mergeWithKey from './mergeWithKey.js';

/** * Creates a new object with the own properties of the two provided objects. If * a key exists in both objects, the provided function is applied to the values * associated with the key in each object, with the result being used as the * value associated with the key in the returned object. * * @func * @memberOf R * @since v0.19.0 * @category Object * @sig ((a, a) -> a) -> {a} -> {a} -> {a} * @param {Function} fn * @param {Object} l * @param {Object} r * @return {Object} * @see R.mergeDeepWith, R.merge, R.mergeWithKey * @example * * R.mergeWith(R.concat, * { a: true, values: [10, 20] }, * { b: true, values: [15, 35] }); * //=> { a: true, b: true, values: [10, 20, 15, 35] } */var mergeWith = _curry3(function mergeWith(fn, l, r) { return mergeWithKey(function(_, _l, _r) { return fn(_l, _r); }, l, r);});export default mergeWith;