3 files changed, 23 insertions, 10 deletions

diff --git a/core/src/main/kotlin/model/Documentable.kt b/core/src/main/kotlin/model/Documentable.kt
index 17b49f97..90958210 100644
--- a/core/src/main/kotlin/model/Documentable.kt
+++ b/core/src/main/kotlin/model/Documentable.kt
@@ -114,7 +114,7 @@ data class DPackage(
 ) : Documentable(), WithScope, WithExtraProperties<DPackage> {
     override val name = dri.packageName.orEmpty()
     override val children: List<Documentable>
-        get() = (properties + functions + classlikes) as List<Documentable>
+        get() = (properties + functions + classlikes)
 
     override fun withNewExtras(newExtras: PropertyContainer<DPackage>) = copy(extra = newExtras)
 }
@@ -140,7 +140,7 @@ data class DClass(
     WithExtraProperties<DClass> {
 
     override val children: List<Documentable>
-        get() = (functions + properties + classlikes + constructors) as List<Documentable>
+        get() = (functions + properties + classlikes + constructors)
 
     override fun withNewExtras(newExtras: PropertyContainer<DClass>) = copy(extra = newExtras)
 }
@@ -163,7 +163,7 @@ data class DEnum(
     override val extra: PropertyContainer<DEnum> = PropertyContainer.empty()
 ) : DClasslike(), WithCompanion, WithConstructors, WithSupertypes, WithExtraProperties<DEnum> {
     override val children: List<Documentable>
-        get() = (entries + functions + properties + classlikes + constructors) as List<Documentable>
+        get() = (entries + functions + properties + classlikes + constructors)
 
     override fun withNewExtras(newExtras: PropertyContainer<DEnum>) = copy(extra = newExtras)
 }
@@ -180,7 +180,7 @@ data class DEnumEntry(
     override val extra: PropertyContainer<DEnumEntry> = PropertyContainer.empty()
 ) : Documentable(), WithScope, WithExtraProperties<DEnumEntry> {
     override val children: List<Documentable>
-        get() = (functions + properties + classlikes) as List<Documentable>
+        get() = (functions + properties + classlikes)
 
     override fun withNewExtras(newExtras: PropertyContainer<DEnumEntry>) = copy(extra = newExtras)
 }
@@ -224,7 +224,7 @@ data class DInterface(
     override val extra: PropertyContainer<DInterface> = PropertyContainer.empty()
 ) : DClasslike(), WithCompanion, WithGenerics, WithSupertypes, WithExtraProperties<DInterface> {
     override val children: List<Documentable>
-        get() = (functions + properties + classlikes) as List<Documentable>
+        get() = (functions + properties + classlikes)
 
     override fun withNewExtras(newExtras: PropertyContainer<DInterface>) = copy(extra = newExtras)
 }
@@ -266,7 +266,7 @@ data class DAnnotation(
     override val extra: PropertyContainer<DAnnotation> = PropertyContainer.empty()
 ) : DClasslike(), WithCompanion, WithConstructors, WithExtraProperties<DAnnotation>, WithGenerics {
     override val children: List<Documentable>
-        get() = (functions + properties + classlikes + constructors) as List<Documentable>
+        get() = (functions + properties + classlikes + constructors)
 
     override fun withNewExtras(newExtras: PropertyContainer<DAnnotation>) = copy(extra = newExtras)
 }
diff --git a/core/src/main/kotlin/model/documentableProperties.kt b/core/src/main/kotlin/model/documentableProperties.kt
index f630ba3b..699a1df1 100644
--- a/core/src/main/kotlin/model/documentableProperties.kt
+++ b/core/src/main/kotlin/model/documentableProperties.kt
@@ -1,13 +1,28 @@
 package org.jetbrains.dokka.model
 
+import org.jetbrains.dokka.links.DRI
 import org.jetbrains.dokka.model.properties.ExtraProperty
 import org.jetbrains.dokka.model.properties.MergeStrategy
 
-data class InheritedFunction(val isInherited: Boolean): ExtraProperty<DFunction> {
+data class InheritedFunction(val inheritedFrom: DRI?): ExtraProperty<DFunction> {
     companion object : ExtraProperty.Key<DFunction, InheritedFunction> {
         override fun mergeStrategyFor(left: InheritedFunction, right: InheritedFunction) = MergeStrategy.Fail {
             throw IllegalArgumentException("Function inheritance should be consistent!")
         }
     }
+
+    val isInherited: Boolean
+        get() = inheritedFrom != null
+
     override val key: ExtraProperty.Key<DFunction, *> = InheritedFunction
+}
+
+data class ImplementedInterfaces(val interfaces: List<DRI>): ExtraProperty<Documentable> {
+    companion object : ExtraProperty.Key<Documentable, ImplementedInterfaces> {
+        override fun mergeStrategyFor(left: ImplementedInterfaces, right: ImplementedInterfaces) = MergeStrategy.Fail {
+            throw IllegalArgumentException("Implemented interfaces should be consistent!")
+        }
+    }
+
+    override val key: ExtraProperty.Key<Documentable, *> = ImplementedInterfaces
 }
\ No newline at end of file
diff --git a/core/src/main/kotlin/pages/PageNodes.kt b/core/src/main/kotlin/pages/PageNodes.kt
index 42ca25cc..b9f1025f 100644
--- a/core/src/main/kotlin/pages/PageNodes.kt
+++ b/core/src/main/kotlin/pages/PageNodes.kt
@@ -1,9 +1,7 @@
 package org.jetbrains.dokka.pages
 
-import org.jetbrains.dokka.DokkaConfiguration
-import org.jetbrains.dokka.model.Documentable
-import org.jetbrains.dokka.Platform
 import org.jetbrains.dokka.links.DRI
+import org.jetbrains.dokka.model.Documentable
 import java.util.*
 
 interface PageNode {