#280: Made the NotAValue class final to ensure uniqueness of NOT_A_VA…

…LUE.
parsingdata · Feb 11, 2019 · 87e0260 · 87e0260
1 parent 0755624
commit 87e0260
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/src/main/java/io/parsingdata/metal/expression/value/NotAValue.java b/core/src/main/java/io/parsingdata/metal/expression/value/NotAValue.java
@@ -24,7 +24,7 @@
 import io.parsingdata.metal.data.Slice;
 import io.parsingdata.metal.encoding.Encoding;
 
-public class NotAValue implements Value {
+public final class NotAValue implements Value {
 
     public static final Value NOT_A_VALUE = new NotAValue();
     private static final UnsupportedOperationException UNSUPPORTED = new UnsupportedOperationException("NOT_A_VALUE does not support any Value operation.");