add if to optional arg in Sample #478

LinguaPhylo · May 23, 2024 · f400a6c · f400a6c
1 parent a7efbc5
commit f400a6c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lphy-base/src/main/java/lphy/base/distribution/Sample.java b/lphy-base/src/main/java/lphy/base/distribution/Sample.java
@@ -87,7 +87,7 @@ public Map<String, Value> getParams() {
         return new TreeMap<>() {{
             put(ParameterNames.ArrayParamName, x);
             put(ParameterNames.SizeParamName, size);
-            put(replParamName, replace);
+            if (replace != null) put(replParamName, replace); // optional
         }};
     }