Ability to override services from autowire

[zazoomauro]

If you're using the default services.yaml configuration both classes are automatically registered as services and configured to be autowired. This means you can use them immediately without any configuration.

However, to understand autowiring better, the following examples explicitly configure both services:

# config/services.yaml
services:
    _defaults:
        autowire: true

    App.Service.TwitterClient:
        # redundant thanks to _defaults, but value is overridable on each service
        autowire: false
        arguments:
          - @App.Twitter