CreatePostContainer.vue

<template>
  <div>
    {{ content }}
    <CreatePost>
      <CreateDescription 
        slot="description"
        v-model="content" 
      />
    </CreatePost>
  </div>
</template>

<script>
  import CreatePost from './CreatePost'
  import CreateDescription from './CreateDescription'

  export default {
    name: 'CreateContainer',

    components: {
      CreatePost,
      CreateDescription
    },

    data () {
      return {
        content: ''
      }
    }
  }
</script>

<style scoped>
</style>