CR: use ScalaConversions where it makes more sense

Author: radeusgd

engine/runtime-compiler/src/main/java/org/enso/compiler/pass/analyse/types/TypeInferencePropagation.java

@@ -21,12 +21,11 @@
 import org.enso.compiler.pass.resolve.Patterns$;
 import org.enso.compiler.pass.resolve.TypeNames$;
 import org.enso.compiler.pass.resolve.TypeSignatures$;
+import org.enso.scala.wrapper.ScalaConversions;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import scala.Option;
 import scala.collection.immutable.Seq;
-import scala.collection.immutable.Seq$;
-import scala.jdk.javaapi.CollectionConverters;
 
 /**
  * The compiler pass implementing the proof of concept of type inference.
@@ -143,13 +142,12 @@ public Seq<IRProcessingPass> precursorPasses() {
             TypeSignatures$.MODULE$,
             StaticModuleScopeAnalysis.INSTANCE,
             TypeInferenceSignatures.INSTANCE);
-    return CollectionConverters.asScala(passes).toList();
+    return ScalaConversions.seq(passes);
   }
 
   @Override
-  @SuppressWarnings("unchecked")
   public Seq<IRProcessingPass> invalidatedPasses() {
-    return (Seq<IRProcessingPass>) Seq$.MODULE$.empty();
+    return ScalaConversions.nil();
   }
 
   @Override

engine/runtime-compiler/src/main/java/org/enso/compiler/pass/analyse/types/TypeInferenceSignatures.java

@@ -22,8 +22,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import scala.collection.immutable.Seq;
-import scala.collection.immutable.Seq$;
-import scala.jdk.javaapi.CollectionConverters;
 
 // TODO it may make sense to merge this pass into StaticModuleScopeAnalysis, there is little benefit
 // to keeping it separate
@@ -72,13 +70,12 @@ public Seq<IRProcessingPass> precursorPasses() {
             TypeNames$.MODULE$,
             Patterns$.MODULE$,
             TypeSignatures$.MODULE$);
-    return CollectionConverters.asScala(passes).toList();
+    return ScalaConversions.seq(passes);
   }
 
   @Override
-  @SuppressWarnings("unchecked")
   public Seq<IRProcessingPass> invalidatedPasses() {
-    return (Seq<IRProcessingPass>) Seq$.MODULE$.empty();
+    return ScalaConversions.nil();
   }
 
   @Override

engine/runtime/src/test/java/org/enso/runtime/test/TypeMetadataPersistanceTest.java

@@ -8,18 +8,14 @@
 import org.enso.compiler.pass.analyse.types.TypeRepresentation;
 import org.enso.persist.Persistance;
 import org.enso.pkg.QualifiedName;
+import org.enso.scala.wrapper.ScalaConversions;
 import org.junit.Test;
-import scala.jdk.javaapi.CollectionConverters$;
 
 /**
  * Currently the static type inference pass is optional and it is not computed as part of the cache
  * indexing.
  */
 public class TypeMetadataPersistanceTest {
-  private static <T> scala.collection.immutable.List<T> makeScalaList(List<T> list) {
-    return CollectionConverters$.MODULE$.asScala(list).toList();
-  }
-
   private static <T> T serde(Class<T> clazz, T l) throws IOException {
     var arr = Persistance.write(l, null);
     var ref = Persistance.read(arr, null);
@@ -39,7 +35,7 @@ public void writeSomeInferredType() throws Exception {
   }
 
   private TypeRepresentation.TypeObject mockObject() {
-    var fqn = new QualifiedName(makeScalaList(List.of("mod")), "Test");
+    var fqn = new QualifiedName(ScalaConversions.seq(List.of("mod")).toList(), "Test");
     return new TypeRepresentation.TypeObject(fqn);
   }
 }