Two ways to combine vue-i18n with quasar-framework in vue
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I need to know, how to put the `$t('message.hello')` function, what is actually in a `v-html` or in double bracets `{{ $t('message.hello')` in a variable.
I tried to return the function in the `computed:`-, and `mounted()` instances, I also tried to put it in a `window.var`.

~~The other variant~~
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~~And the other way round, I need to put in `vue` rendered variables into the `$t('message.hello', {scope: 'world'})` method like that way: `$t('message.hello', {scope: 'returned.fromDataOrSomewhere'})`~~

Why do I need this
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1. I have to inject some data from `promise` in the `vue-i18n` to translate dynamic values.
2. I need to put the translated values in a [Quasar](http://quasar-framework.org/components/datatable.html "Doc for datatable")  `<q-datatable>` which columns are configured as below:

```
{
  label: 'ID', //here I need a variable instead of string
  field: 'id',
  filter: true,
  sort: true,
  type: 'number',
  width: '10%'
},
{
  label: 'Username', //here too - and so on...
  field: 'username',
  filter: true,
  sort: true,
  type: 'date',
  width: '20%'
},

```

EDIT:
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Second case is solved.