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This transcript demonstrates that unique types no longer always get a fresh GUID: they share GUIDs with already-saved unique types of the same name.
unique type A = A
unique type B = B C
unique type C = C B
Loading changes detected in scratch.u.
I found and typechecked these definitions in scratch.u. If you
do an `add` or `update`, here's how your codebase would
change:
⍟ These new definitions are ok to `add`:
type A
type B
type C
scratch/main> add
⍟ I've added these definitions:
type A
type B
type C
unique type A = A
unique type B = B C
unique type C = C B
Loading changes detected in scratch.u.
I found and typechecked the definitions in scratch.u. This
file has been previously added to the codebase.
If the name stays the same, the churn is even prevented if the type is updated and then reverted to the original form.
scratch/main> names A
Type
Hash: #uj8oalgadr
Names: A
Term
Hash: #uj8oalgadr#0
Names: A.A
unique type A = A ()
Loading changes detected in scratch.u.
I found and typechecked these definitions in scratch.u. If you
do an `add` or `update`, here's how your codebase would
change:
⍟ These names already exist. You can `update` them to your
new definition:
type A
scratch/main> update
Okay, I'm searching the branch for code that needs to be
updated...
Done.
scratch/main> names A
Type
Hash: #ufo5tuc7ho
Names: A
Term
Hash: #ufo5tuc7ho#0
Names: A.A
unique type A = A
Loading changes detected in scratch.u.
I found and typechecked these definitions in scratch.u. If you
do an `add` or `update`, here's how your codebase would
change:
⍟ These names already exist. You can `update` them to your
new definition:
type A
Note that A is back to its original hash.
scratch/main> update
Okay, I'm searching the branch for code that needs to be
updated...
Done.
scratch/main> names A
Type
Hash: #uj8oalgadr
Names: A
Term
Hash: #uj8oalgadr#0
Names: A.A