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Update documentation of ref to fix warning about immutable data #9357

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Nov 30, 2024
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Update documentation of ref to fix warning about immutable data #9357

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4 changes: 2 additions & 2 deletions docs/reference/concurrency/ref.md
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Original file line number Diff line number Diff line change
Expand Up @@ -54,14 +54,14 @@ The following snippet compiles, but it leads to race conditions due to a mutable

```scala mdoc:nest
// Compiles but don't work properly
var init = 0
val init = collection.mutable.Seq(1,3,5)
val counterRef = Ref.make(init)
```

To correct this, we should change the `init` to be immutable:

```scala mdoc:nest
val init = 0
val init = Seq(1,3,5)
val counterRef = Ref.make(init)
```

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