unison/unison-src/transcripts/update-type-delete-constructor-with-dependent.md
2024-06-25 11:11:07 -07:00

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```ucm:hide
scratch/main> builtins.merge lib.builtin
```
```unison
unique type Foo
= Bar Nat
| Baz Nat Nat
foo : Foo -> Nat
foo = cases
Bar n -> n
Baz n m -> n + m
```
```ucm
scratch/main> add
```
```unison
unique type Foo
= Bar Nat
```
```ucm:error
scratch/main> update
```