handle optional arg properly #518

LinguaPhylo · Jan 12, 2025 · 0a32813 · 0a32813
1 parent 1575135
commit 0a32813
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/lphy-base/src/main/java/lphy/base/function/tree/InternalNodesID.java b/lphy-base/src/main/java/lphy/base/function/tree/InternalNodesID.java
@@ -25,7 +25,9 @@ public InternalNodesID(@ParameterInfo(name = treeParamName,
                            @ParameterInfo(name = INTER_NODE_ID, optional = true,
                                    description = "the vector of internal nodes id.") Value<Object[]> internalNodesID) {
         setInput(treeParamName, tree);
-        setInput(INTER_NODE_ID, internalNodesID);
+        // handle optional
+        if (internalNodesID != null)
+            setInput(INTER_NODE_ID, internalNodesID);
     }
 
     @GeneratorInfo(name = "setInternalNodesID", category = GeneratorCategory.TREE,