PavelTyk/sendgrid-rails — comment on commit 4441369814c836e35a198ab1144ad0d4cef5cc1f
File: lib/send_grid/api_header.rb line 9
By avsej:

Is it possible to store in `@data[:to]` non Array value?

```ruby
def add_recipients(recipients)
@data[:to] ||= []
@data[:to] |= Array.wrap(recipients)
end
```

`Array.wrap` should always return an Array instance