Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.scl.runtime / src / org / simantics / scl / runtime / tuple / Tuple0.java

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 (executable)
index 0000000..7b6a56a
--- /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;\r
+\r
+public enum Tuple0 implements Tuple {\r
+    INSTANCE;\r
+    \r
+    private static final Object[] EMPTY_ARRAY = new Object[0];\r
+\r
+    @Override\r
+    public int length() {       \r
+        return 0;\r
+    }\r
+\r
+    @Override\r
+    public Object get(int id) {\r
+        throw new IndexOutOfBoundsException();\r
+    }\r
+\r
+    @Override\r
+    public Object[] toArray() {\r
+        return EMPTY_ARRAY;\r
+    }\r
+    \r
+    @Override\r
+    public String toString() {\r
+        return "()";\r
+    }\r
+}\r