old_contents: """`Callable` provider example."""
  
  import passlib.hash
  
  from dependency_injector import providers
  
  
  password_hasher = providers.Callable(
      passlib.hash.sha256_crypt.hash,
      salt_size=16,
      rounds=10000,
  )
  password_verifier = providers.Callable(passlib.hash.sha256_crypt.verify)
  
  
  if __name__ == '__main__':
      hashed_password = password_hasher('super secret')
      assert password_verifier('super secret', hashed_password)
  
new_contents: """`Callable` provider example."""
  
  import passlib.hash
  
  from dependency_injector import containers, providers
  
  
  class Container(containers.DeclarativeContainer):
  
      password_hasher = providers.Callable(
          passlib.hash.sha256_crypt.hash,
          salt_size=16,
          rounds=10000,
      )
  
      password_verifier = providers.Callable(passlib.hash.sha256_crypt.verify)
  
  
  if __name__ == '__main__':
      container = Container()
  
      hashed_password = container.password_hasher('super secret')
      assert container.password_verifier('super secret', hashed_password)
  
subject: Add container usage for callable provider example