Fix return type of substring method

smithy-lang · Nov 18, 2022 · 7fcd3a8 · 7fcd3a8
1 parent f12a737
commit 7fcd3a8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/...es-engine/src/main/java/software/amazon/smithy/rulesengine/language/stdlib/Substring.java b/...es-engine/src/main/java/software/amazon/smithy/rulesengine/language/stdlib/Substring.java
@@ -44,7 +44,7 @@ public List<Type> getArguments() {
 
     @Override
     public Type getReturnType() {
-        return Type.string();
+        return Type.optional(Type.string());
     }
 
     @Override