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diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/constants/singletons/IncreaseByOne.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/constants/singletons/IncreaseByOne.java
new file mode 100644
index 000000000..3d2878a48
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/constants/singletons/IncreaseByOne.java
@@ -0,0 +1,31 @@
+package org.simantics.scl.compiler.constants.singletons;
+
+import org.objectweb.asm.Opcodes;
+import org.simantics.scl.compiler.constants.FunctionValue;
+import org.simantics.scl.compiler.internal.codegen.references.Val;
+import org.simantics.scl.compiler.internal.codegen.utils.MethodBuilder;
+import org.simantics.scl.compiler.types.TVar;
+import org.simantics.scl.compiler.types.Type;
+import org.simantics.scl.compiler.types.Types;
+
+public class IncreaseByOne extends FunctionValue {
+
+    public static final IncreaseByOne INSTANCE = new IncreaseByOne();
+    
+    private IncreaseByOne() {
+        super(TVar.EMPTY_ARRAY, Types.NO_EFFECTS, Types.INTEGER, Types.INTEGER);
+    }
+    
+    @Override
+    public Type applyExact(MethodBuilder mb, Val[] parameters) {
+        parameters[0].push(mb);
+        mb.loadConstant(1);
+        mb.math(Opcodes.IADD);
+        return Types.INTEGER;
+    }
+
+    @Override
+    public String toString() {
+        return "increaseByOne";
+    }
+}