stevedlawrence commented on a change in pull request #183: Fix type coerceion
between signed/unsigned types
URL: https://github.com/apache/incubator-daffodil/pull/183#discussion_r256868746
##########
File path:
daffodil-core/src/main/scala/org/apache/daffodil/dpath/NodeInfoUtils.scala
##########
@@ -113,24 +113,34 @@ object NodeInfoUtils {
case (Float, _) => (Float, Float)
case (_, Integer) => (Integer, Integer)
case (Integer, _) => (Integer, Integer)
+ case (lat, NonNegativeInteger) if (lat.isInstanceOf[SignedInteger.Kind])
=> (Integer, Integer)
Review comment:
Is there a way to remove the asInstanceOf stuff? I think you might need to
use parenthesis to match the instance instead of the companion object?
```scala
case (SignedInteger(), NonNegativeInteger) => ...
```
Or maybe you needs to be bound to a variable?
```scala
case (_: SignedInteger, NonNegativeInteger) => ...
```
I need to reference myself of scala pattern matching.
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