+ Value interface

Author: mle86

src/Value/AbstractValue.php

@@ -28,6 +28,7 @@
  * @author Maximilian Eul
  */
 abstract class AbstractValue
+	implements Value
 {
 
 	/**

src/Value/Value.php

@@ -0,0 +1,23 @@
+<?php
+namespace mle86\Value;
+
+
+/**
+ * The interface of all value classes,
+ * i.e. AbstractValue and AbstractSerializableValue.
+ *
+ * It just specifies that Value classes  should have a 'value' method
+ * and a one-argument constructor,  although those classes have another
+ * important requirement:  being immutable.  But we cannot encode that
+ * in an interface.
+ *
+ * @author Maximilian Eul
+ */
+interface Value {
+
+	public function value ();
+
+	public function __construct ($raw_value);
+
+}
+