X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.scl.runtime%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fruntime%2Ftuple%2FTuple0.java;fp=bundles%2Forg.simantics.scl.runtime%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fruntime%2Ftuple%2FTuple0.java;h=7b6a56abf520af9b176ec78d0eec2a9ebc720521;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.scl.runtime/src/org/simantics/scl/runtime/tuple/Tuple0.java b/bundles/org.simantics.scl.runtime/src/org/simantics/scl/runtime/tuple/Tuple0.java
new file mode 100755
index 000000000..7b6a56abf
--- /dev/null
+++ b/bundles/org.simantics.scl.runtime/src/org/simantics/scl/runtime/tuple/Tuple0.java
@@ -0,0 +1,27 @@
+package org.simantics.scl.runtime.tuple;
+
+public enum Tuple0 implements Tuple {
+    INSTANCE;
+    
+    private static final Object[] EMPTY_ARRAY = new Object[0];
+
+    @Override
+    public int length() {       
+        return 0;
+    }
+
+    @Override
+    public Object get(int id) {
+        throw new IndexOutOfBoundsException();
+    }
+
+    @Override
+    public Object[] toArray() {
+        return EMPTY_ARRAY;
+    }
+    
+    @Override
+    public String toString() {
+        return "()";
+    }
+}