## Article

```catala
declaration enumeration E:
  -- Case1 content integer
  -- Case2 content boolean
  -- Case3

declaration scope A:
  context e content E
  context out content boolean

scope A:
  definition out equals match e with pattern
    -- Case1 of i : i = 0
    -- Case2 of b : b
```

```catala-test-inline
$ catala Interpret -s A
[WARNING] In scope "A", the variable "out" is never used anywhere; maybe it's unnecessary?

┌─⯈ tests/test_enum/bad/missing_case.catala_en:11.11-11.14:
└──┐
11 │   context out content boolean
   │           ‾‾‾
   └─ Article
[WARNING] The constructor "Case3" of enumeration "E" is never used; maybe it's unnecessary?

┌─⯈ tests/test_enum/bad/missing_case.catala_en:7.6-7.11:
└─┐
7 │   -- Case3
  │      ‾‾‾‾‾
  └─ Article
[ERROR] The constructor Case3 of enum E is missing from this pattern matching

┌─⯈ tests/test_enum/bad/missing_case.catala_en:14.25-16.22:
└──┐
14 │   definition out equals match e with pattern
   │                         ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
15 │     -- Case1 of i : i = 0
   │     ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
16 │     -- Case2 of b : b
   │     ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
   └─ Article
#return code 255#
```