1 files changed, 8 insertions, 0 deletions
diff --git a/core/src/main/kotlin/model/CompositeSourceSetID.kt b/core/src/main/kotlin/model/CompositeSourceSetID.kt
index 5eb106bf..3c1cf7de 100644
--- a/core/src/main/kotlin/model/CompositeSourceSetID.kt
+++ b/core/src/main/kotlin/model/CompositeSourceSetID.kt
@@ -27,4 +27,12 @@ data class CompositeSourceSetID(
     operator fun contains(sourceSet: DokkaConfiguration.DokkaSourceSet): Boolean {
         return sourceSet.sourceSetID in this
     }
+
+    operator fun plus(other: DokkaSourceSetID): CompositeSourceSetID {
+        return copy(children = children + other)
+    }
+}
+
+operator fun DokkaSourceSetID.plus(other: DokkaSourceSetID): CompositeSourceSetID {
+    return CompositeSourceSetID(listOf(this, other))
 }