小编ont*_*ley的帖子

import { createSlice } from '@reduxjs/toolkit'

export const countersSlice = createSlice({
    name: 'based? based on what',
    initialState: [0, 0, 0, 0],
    reducers: {
        updateCounter: (state, action) => {
            var id = action.payload.id
            var value = action.payload.value

            state[id] += value
        }
    }
})

export const { updateCounter } = countersSlice.actions

export const selectCount = id => state => state.counter[id]

export default countersSlice.reducer

为什么在该selectCount行中，我必须使用state.counterwhen.counter没有在切片中的其他任何地方引用？我确实喜欢这样，.counter但我只是想了解它是如何产生该属性的。