import { observable, runInAction } from 'mobx-miniprogram'

export const user = observable({
  openid: '',
  unionid: '',
  numA: 1000,
  numB: 1000,

  get sum() {
    return this.numA + this.numB
  },

  update_user: function () {
    runInAction(() => {
      const sum = this.sum
      this.numA = this.numB
      this.numB = sum
    })
  },
})