'use strict'
/* eslint no-proto: 0 */
module.exports = Object.setPrototypeOf || ({ __proto__: [] } instanceof Array ? setProtoOf : mixinProperties)
function setProtoOf (obj, proto) {
obj.__proto__ = proto
return obj
}
function mixinProperties (obj, proto) {
for (var prop in proto) {
if (!Object.prototype.hasOwnProperty.call(obj, prop)) {
obj[prop] = proto[prop]
}
}
return obj
}