lodash 源码阅读-copySymbolsIn
import copyObject from './copyObject.js'
import getSymbolsIn from './getSymbolsIn.js'
/**
* Copies own and inherited symbols of `source` to `object`.
*
* @private
* @param {Object} source The object to copy symbols from.
* @param {Object} [object={}] The object to copy symbols to.
* @returns {Object} Returns `object`.
*/
function copySymbolsIn(source, object) {
return copyObject(source, getSymbolsIn(source), object)
}
export default copySymbolsIn