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For example:
```dart
double foo() => 1;
main() {
print(foo() as int);
}
```
With null safety this code always throws an error and dartanalyzer can figure this out using static types and…
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I get exception "An exception of type 'System.ArgumentNullException' occurred in Xamarin.Forms.Platform.UAP.dll but was not handled in user code
Additional information: Value cannot be null." in MainP…
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# Interchange - Sum types are not a silver bullet: Why you shouldn't always reach for that sealed class.
[https://sintrastes.github.io/blog/posts/2021-07-19-sum_types_are_not_a_silver_bullet.html](…
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>Edit: I guess I should say "convert from struct to class". My editor said it was "sealed" but I checked the code and it's a struct. Maybe you have compelling perf reasons to keep it a struct.
I wa…
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I have noticed that all the read/write APIs can only read and write the generic type defined by the user when instantiating the client and server, eg. `PipeServer`, `PipeClient`.
Would you agree t…
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Hello,
For now, we can add type handler for class without generic type.
In our software, we need possibility to add a type handler for a generic type like this one =>
`public class Ref {...}`
…
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### Page URL
https://dart.dev/language/branches#exhaustiveness-checking
### Page source
_No response_
### Describe the problem
As a new user learning the Dart language, I think it would be useful…
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1. When using the /ins+ compiler option but there's no reference to XSharp.dll (so Core dialect), the compiler silently seems to ignore it. I think there should be a compiler error in this case.
2.…
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Unreal Engine allows users to easily expose functions in the editor which can be executed via automatically created buttons.
For reference: https://benui.ca/unreal/ufunction/#callineditor
Though t…
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This code is unfortunately not accepted by alias analysis.
```scala
import stainless.lang.*
object Tree {
sealed abstract class Tree
case class Node(var left: Tree, var x: Int, var right: Tre…