catala/tests/test_typing/bad/common.catala_en

```catala-metadata
declaration enumeration Enum:
  -- Int content integer
  -- Dec content decimal
  -- Dat content date

declaration structure Structure:
  data i content integer
  data e content Enum

declaration scope S:
  input x content integer
  input output y content Enum
  output z content collection Structure
  output a content decimal
```