code: func (c *ExampleService) FindUserByName(ctx context.Context, n string) (*platform.User, error) {
  	var u *platform.User
  
  	err := c.kv.View(func(tx Tx) error {
  		usr, err := c.findUserByName(ctx, tx, n)
  		if err != nil {
  			return err
  		}
  		u = usr
  		return nil
  	})
  
  	return u, err
  }
docs: // FindUserByName returns a example by name for a particular example.