Change record status: 
Project: 
Introduced in branch: 
11.3.x
Introduced in version: 
11.3.0
Description: 

You can now use @> as a shorthand for !service_closure in services.yml files.

Original (still supported) syntax:

example_service_closure:
    class: \Drupal\Core\ExampleClass
    arguments: [!service_closure '@example_service_1']

New shorthand syntax:

example_service_closure_shorthand:
    class: \Drupal\Core\ExampleClass
    arguments: ['@>example_service_1']
Impacts: 
Module developers