anchor.diff:  
   - requires that `key2` and `nested` hashes exist
   - sets `super_nested` to `10`
  +
  +```yaml
  +- type: remove
  +  path: /key2/nested/super_nested
  +```
  +
  +- requires that `key2` and `nested` hashes exist
  +- removes `super_nested`
   
   ```yaml
   - type: replace
  
positive.code: 
  ---
  ### Arrays of hashes
  
  ```yaml
  - type: replace
  
negative.code: - sets `key` to `10`
  
  ```yaml
  - type: remove
    path: /key
  ```
  
  - removes `key`
  
  ```yaml
  - type: replace
    path: /key_not_there
    value: 10
  ```
  
  - errors because `key_not_there` is expected (does not have `?`)
  
  ```yaml
  - type: remove
    path: /key_not_there
  ```
  
  - again this errors because `key_not_there` is expected (does not have `?`)
  
  ```yaml
  - type: replace
  