olabusayoT commented on code in PR #1433:
URL: https://github.com/apache/daffodil/pull/1433#discussion_r1956606339
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daffodil-runtime1/src/main/scala/org/apache/daffodil/runtime1/debugger/InteractiveDebugger.scala:
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@@ -1663,9 +1663,9 @@ class InteractiveDebugger(
val desc = "display differences since the previous pause in the
debugger"
val longDesc = desc
- lazy val infoDiffables = Info.subcommands.collect { case diffable:
InfoDiffable =>
- diffable
- }
+ lazy val infoDiffables = Info.subcommands
+ .filter(_.isInstanceOf[InfoDiffable])
+ .map(_.asInstanceOf[InfoDiffable])
Review Comment:
So you can use collect, but because InfoDiffable is an inner trait, it
doesn't know the type and causes this error:
The outer reference in this type test cannot be checked at run time.
[error] lazy val infoDiffables = Info.subcommands.collect { case
diffable: InfoDiffable =>
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