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julienrf merged 1 commit into from
Apr 19, 2023
Merged

Mention specialized #2774

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10 changes: 10 additions & 0 deletions _overviews/scala3-migration/incompat-dropped-features.md
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Expand Up @@ -19,6 +19,7 @@ Most of these changes can be handled automatically during the [Scala 3 migration
|[`any2stringadd` conversion](#any2stringadd-conversion)|Deprecation||[✅](https://github.com/scala/scala-rewrites/blob/main/rewrites/src/main/scala/fix/scala213/Any2StringAdd.scala)|
|[Early initializer](#early-initializer)|Deprecation|||
|[Existential type](#existential-type)|Feature warning|||
|[@specialized](#specialized)|Deprecation|||

## Symbol literals

Expand Down Expand Up @@ -256,3 +257,12 @@ def foo: Bar

Note that using a wildcard argument, `_` or `?`, is often simpler but is not always possible.
For instance you could replace `List[T] forSome { type T }` by `List[?]`.

## Specialized

The `@specialized` annotation from Scala 2 is ignored in Scala 3.

However, there is limited support for specialized `Function` and `Tuple`.

Similar benefits can be derived from `inline` declarations.